334597640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643457}}^1$

素因数の和:643481

約数の個数: 32

約数和(自身を含む): 810757080

約数和(自身を除く): 476159440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 643457, 1286914, 2573828, 3217285, 5147656, 6434570, 8364941, 12869140, 16729882, 25738280, 33459764, 41824705, 66919528, 83649410, 167298820, 334597640]

約数ペア:

[(1, 334597640), (2, 167298820), (4, 83649410), (5, 66919528), (8, 41824705), (10, 33459764), (13, 25738280), (20, 16729882), (26, 12869140), (40, 8364941), (52, 6434570), (65, 5147656), (104, 3217285), (130, 2573828), (260, 1286914), (520, 643457)]