127996912

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{216211}}^1$

素因数の和:216256

約数の個数: 20

約数和(自身を含む): 254697736

約数和(自身を除く): 126700824

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 216211, 432422, 864844, 1729688, 3459376, 7999807, 15999614, 31999228, 63998456, 127996912]

約数ペア:

[(1, 127996912), (2, 63998456), (4, 31999228), (8, 15999614), (16, 7999807), (37, 3459376), (74, 1729688), (148, 864844), (296, 432422), (592, 216211)]