818449916

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 1519034496

約数和(自身を除く): 700584580

約数列:

[1, 2, 4, 37, 47, 74, 94, 97, 148, 188, 194, 388, 1213, 1739, 2426, 3478, 3589, 4559, 4852, 6956, 7178, 9118, 14356, 18236, 44881, 57011, 89762, 114022, 117661, 168683, 179524, 228044, 235322, 337366, 470644, 674732, 2109407, 4218814, 4353457, 5530067, 8437628, 8706914, 11060134, 17413828, 22120268, 204612479, 409224958, 818449916]

約数ペア:

[(1, 818449916), (2, 409224958), (4, 204612479), (37, 22120268), (47, 17413828), (74, 11060134), (94, 8706914), (97, 8437628), (148, 5530067), (188, 4353457), (194, 4218814), (388, 2109407), (1213, 674732), (1739, 470644), (2426, 337366), (3478, 235322), (3589, 228044), (4559, 179524), (4852, 168683), (6956, 117661), (7178, 114022), (9118, 89762), (14356, 57011), (18236, 44881)]