129487964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{39623}}^1$

素因数の和:39689

約数の個数: 24

約数和(自身を含む): 244083840

約数和(自身を除く): 114595876

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 39623, 79246, 158492, 752837, 1505674, 1703789, 3011348, 3407578, 6815156, 32371991, 64743982, 129487964]

約数ペア:

[(1, 129487964), (2, 64743982), (4, 32371991), (19, 6815156), (38, 3407578), (43, 3011348), (76, 1703789), (86, 1505674), (172, 752837), (817, 158492), (1634, 79246), (3268, 39623)]