90915986

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3671}}^1$

素因数の和:3770

約数の個数: 32

約数和(自身を含む): 163918080

約数和(自身を除く): 73002094

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 854, 1769, 3538, 3671, 7342, 12383, 24766, 25697, 51394, 106459, 212918, 223931, 447862, 745213, 1490426, 1567517, 3135034, 6493999, 12987998, 45457993, 90915986]

約数ペア:

[(1, 90915986), (2, 45457993), (7, 12987998), (14, 6493999), (29, 3135034), (58, 1567517), (61, 1490426), (122, 745213), (203, 447862), (406, 223931), (427, 212918), (854, 106459), (1769, 51394), (3538, 25697), (3671, 24766), (7342, 12383)]