394088110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{81931}}^1$

素因数の和:81988

約数の個数: 32

約数和(自身を含む): 784580832

約数和(自身を除く): 390492722

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 81931, 163862, 409655, 819310, 1065103, 2130206, 3031447, 5325515, 6062894, 10651030, 15157235, 30314470, 39408811, 78817622, 197044055, 394088110]

約数ペア:

[(1, 394088110), (2, 197044055), (5, 78817622), (10, 39408811), (13, 30314470), (26, 15157235), (37, 10651030), (65, 6062894), (74, 5325515), (130, 3031447), (185, 2130206), (370, 1065103), (481, 819310), (962, 409655), (2405, 163862), (4810, 81931)]