127938704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{420851}}^1$

素因数の和:420878

約数の個数: 20

約数和(自身を含む): 260928240

約数和(自身を除く): 132989536

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 420851, 841702, 1683404, 3366808, 6733616, 7996169, 15992338, 31984676, 63969352, 127938704]

約数ペア:

[(1, 127938704), (2, 63969352), (4, 31984676), (8, 15992338), (16, 7996169), (19, 6733616), (38, 3366808), (76, 1683404), (152, 841702), (304, 420851)]