128616572

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{3331}}^1$

素因数の和:3546

約数の個数: 36

約数和(自身を含む): 263234664

約数和(自身を除く): 134618092

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 788, 1379, 2758, 3331, 5516, 6662, 9653, 13324, 19306, 23317, 38612, 46634, 93268, 163219, 326438, 652876, 656207, 1312414, 2624828, 4593449, 9186898, 18373796, 32154143, 64308286, 128616572]

約数ペア:

[(1, 128616572), (2, 64308286), (4, 32154143), (7, 18373796), (14, 9186898), (28, 4593449), (49, 2624828), (98, 1312414), (196, 656207), (197, 652876), (394, 326438), (788, 163219), (1379, 93268), (2758, 46634), (3331, 38612), (5516, 23317), (6662, 19306), (9653, 13324)]