8178784384

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:670

約数の個数: 128

約数和(自身を含む): 17683617600

約数和(自身を除く): 9504833216

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 197, 304, 344, 394, 397, 608, 688, 788, 794, 817, 1216, 1376, 1576, 1588, 1634, 2432, 2752, 3152, 3176, 3268, 3743, 5504, 6304, 6352, 6536, 7486, 7543, 8471, 12608, 12704, 13072, 14972, 15086, 16942, 17071, 25216, 25408, 26144, 29944, 30172, 33884, 34142, 50816, 52288, 59888, 60344, 67768, 68284, 78209, 104576, 119776, 120688, 135536, 136568, 156418, 160949, 239552, 241376, 271072, 273136, 312836, 321898, 324349, 479104, 482752, 542144, 546272, 625672, 643796, 648698, 965504, 1084288, 1092544, 1251344, 1287592, 1297396, 1485971, 2185088, 2502688, 2575184, 2594792, 2971942, 3362987, 5005376, 5150368, 5189584, 5943884, 6725974, 10010752, 10300736, 10379168, 11887768, 13451948, 20601472, 20758336, 23775536, 26903896, 41516672, 47551072, 53807792, 63896753, 95102144, 107615584, 127793506, 190204288, 215231168, 255587012, 430462336, 511174024, 1022348048, 2044696096, 4089392192, 8178784384]

約数ペア:

[(1, 8178784384), (2, 4089392192), (4, 2044696096), (8, 1022348048), (16, 511174024), (19, 430462336), (32, 255587012), (38, 215231168), (43, 190204288), (64, 127793506), (76, 107615584), (86, 95102144), (128, 63896753), (152, 53807792), (172, 47551072), (197, 41516672), (304, 26903896), (344, 23775536), (394, 20758336), (397, 20601472), (608, 13451948), (688, 11887768), (788, 10379168), (794, 10300736), (817, 10010752), (1216, 6725974), (1376, 5943884), (1576, 5189584), (1588, 5150368), (1634, 5005376), (2432, 3362987), (2752, 2971942), (3152, 2594792), (3176, 2575184), (3268, 2502688), (3743, 2185088), (5504, 1485971), (6304, 1297396), (6352, 1287592), (6536, 1251344), (7486, 1092544), (7543, 1084288), (8471, 965504), (12608, 648698), (12704, 643796), (13072, 625672), (14972, 546272), (15086, 542144), (16942, 482752), (17071, 479104), (25216, 324349), (25408, 321898), (26144, 312836), (29944, 273136), (30172, 271072), (33884, 241376), (34142, 239552), (50816, 160949), (52288, 156418), (59888, 136568), (60344, 135536), (67768, 120688), (68284, 119776), (78209, 104576)]