68971216

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{11941}}^1$

素因数の和:11987

約数の個数: 30

約数和(自身を含む): 141046962

約数和(自身を除く): 72075746

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 11941, 23882, 47764, 95528, 191056, 226879, 453758, 907516, 1815032, 3630064, 4310701, 8621402, 17242804, 34485608, 68971216]

約数ペア:

[(1, 68971216), (2, 34485608), (4, 17242804), (8, 8621402), (16, 4310701), (19, 3630064), (38, 1815032), (76, 907516), (152, 453758), (304, 226879), (361, 191056), (722, 95528), (1444, 47764), (2888, 23882), (5776, 11941)]