128223004

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 90

約数和(自身を含む): 287046480

約数和(自身を除く): 158823476

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 91, 98, 158, 169, 182, 196, 316, 338, 343, 364, 553, 637, 676, 686, 1027, 1106, 1183, 1274, 1372, 2054, 2212, 2366, 2401, 2548, 3871, 4108, 4459, 4732, 4802, 7189, 7742, 8281, 8918, 9604, 13351, 14378, 15484, 16562, 17836, 26702, 27097, 28756, 31213, 33124, 50323, 53404, 54194, 57967, 62426, 93457, 100646, 108388, 115934, 124852, 186914, 189679, 201292, 231868, 352261, 373828, 379358, 405769, 654199, 704522, 758716, 811538, 1308398, 1409044, 1623076, 2465827, 2616796, 4579393, 4931654, 9158786, 9863308, 18317572, 32055751, 64111502, 128223004]

約数ペア:

[(1, 128223004), (2, 64111502), (4, 32055751), (7, 18317572), (13, 9863308), (14, 9158786), (26, 4931654), (28, 4579393), (49, 2616796), (52, 2465827), (79, 1623076), (91, 1409044), (98, 1308398), (158, 811538), (169, 758716), (182, 704522), (196, 654199), (316, 405769), (338, 379358), (343, 373828), (364, 352261), (553, 231868), (637, 201292), (676, 189679), (686, 186914), (1027, 124852), (1106, 115934), (1183, 108388), (1274, 100646), (1372, 93457), (2054, 62426), (2212, 57967), (2366, 54194), (2401, 53404), (2548, 50323), (3871, 33124), (4108, 31213), (4459, 28756), (4732, 27097), (4802, 26702), (7189, 17836), (7742, 16562), (8281, 15484), (8918, 14378), (9604, 13351)]