998889745664

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1\times {\mathrm{773}}^1$

素因数の和:1556

約数の個数: 144

約数和(自身を含む): 2052622736640

約数和(自身を除く): 1053732990976

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 211, 256, 376, 422, 509, 752, 773, 844, 1018, 1504, 1546, 1688, 2036, 3008, 3092, 3376, 4072, 6016, 6184, 6752, 8144, 9917, 12032, 12368, 13504, 16288, 19834, 23923, 24736, 27008, 32576, 36331, 39668, 47846, 49472, 54016, 65152, 72662, 79336, 95692, 98944, 107399, 130304, 145324, 158672, 163103, 191384, 197888, 214798, 290648, 317344, 326206, 382768, 393457, 429596, 581296, 634688, 652412, 765536, 786914, 859192, 1162592, 1269376, 1304824, 1531072, 1573828, 1718384, 2325184, 2538752, 2609648, 3062144, 3147656, 3436768, 4650368, 5047753, 5219296, 6124288, 6295312, 6873536, 7665841, 9300736, 10095506, 10438592, 12590624, 13747072, 15331682, 18492479, 20191012, 20877184, 25181248, 27494144, 30663364, 36984958, 40382024, 41754368, 50362496, 61326728, 73969916, 80764048, 83019427, 100724992, 122653456, 147939832, 161528096, 166038854, 245306912, 295879664, 323056192, 332077708, 490613824, 591759328, 646112384, 664155416, 981227648, 1183518656, 1292224768, 1328310832, 1962455296, 2367037312, 2656621664, 3901913069, 4734074624, 5313243328, 7803826138, 10626486656, 15607652276, 21252973312, 31215304552, 62430609104, 124861218208, 249722436416, 499444872832, 998889745664]

約数ペア:

[(1, 998889745664), (2, 499444872832), (4, 249722436416), (8, 124861218208), (16, 62430609104), (32, 31215304552), (47, 21252973312), (64, 15607652276), (94, 10626486656), (128, 7803826138), (188, 5313243328), (211, 4734074624), (256, 3901913069), (376, 2656621664), (422, 2367037312), (509, 1962455296), (752, 1328310832), (773, 1292224768), (844, 1183518656), (1018, 981227648), (1504, 664155416), (1546, 646112384), (1688, 591759328), (2036, 490613824), (3008, 332077708), (3092, 323056192), (3376, 295879664), (4072, 245306912), (6016, 166038854), (6184, 161528096), (6752, 147939832), (8144, 122653456), (9917, 100724992), (12032, 83019427), (12368, 80764048), (13504, 73969916), (16288, 61326728), (19834, 50362496), (23923, 41754368), (24736, 40382024), (27008, 36984958), (32576, 30663364), (36331, 27494144), (39668, 25181248), (47846, 20877184), (49472, 20191012), (54016, 18492479), (65152, 15331682), (72662, 13747072), (79336, 12590624), (95692, 10438592), (98944, 10095506), (107399, 9300736), (130304, 7665841), (145324, 6873536), (158672, 6295312), (163103, 6124288), (191384, 5219296), (197888, 5047753), (214798, 4650368), (290648, 3436768), (317344, 3147656), (326206, 3062144), (382768, 2609648), (393457, 2538752), (429596, 2325184), (581296, 1718384), (634688, 1573828), (652412, 1531072), (765536, 1304824), (786914, 1269376), (859192, 1162592)]