289348696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1663}}^1$

素因数の和:1928

約数の個数: 64

約数和(自身を含む): 670924800

約数和(自身を除く): 381576104

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 239, 364, 478, 728, 956, 1663, 1673, 1912, 3107, 3326, 3346, 6214, 6652, 6692, 11641, 12428, 13304, 13384, 21619, 21749, 23282, 24856, 43238, 43498, 46564, 86476, 86996, 93128, 151333, 172952, 173992, 302666, 397457, 605332, 794914, 1210664, 1589828, 2782199, 3179656, 5166941, 5564398, 10333882, 11128796, 20667764, 22257592, 36168587, 41335528, 72337174, 144674348, 289348696]

約数ペア:

[(1, 289348696), (2, 144674348), (4, 72337174), (7, 41335528), (8, 36168587), (13, 22257592), (14, 20667764), (26, 11128796), (28, 10333882), (52, 5564398), (56, 5166941), (91, 3179656), (104, 2782199), (182, 1589828), (239, 1210664), (364, 794914), (478, 605332), (728, 397457), (956, 302666), (1663, 173992), (1673, 172952), (1912, 151333), (3107, 93128), (3326, 86996), (3346, 86476), (6214, 46564), (6652, 43498), (6692, 43238), (11641, 24856), (12428, 23282), (13304, 21749), (13384, 21619)]