128958616

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{2281}}^1$

素因数の和:2515

約数の個数: 32

約数和(自身を含む): 249742080

約数和(自身を除く): 120783464

約数列:

[1, 2, 4, 8, 37, 74, 148, 191, 296, 382, 764, 1528, 2281, 4562, 7067, 9124, 14134, 18248, 28268, 56536, 84397, 168794, 337588, 435671, 675176, 871342, 1742684, 3485368, 16119827, 32239654, 64479308, 128958616]

約数ペア:

[(1, 128958616), (2, 64479308), (4, 32239654), (8, 16119827), (37, 3485368), (74, 1742684), (148, 871342), (191, 675176), (296, 435671), (382, 337588), (764, 168794), (1528, 84397), (2281, 56536), (4562, 28268), (7067, 18248), (9124, 14134)]