261625128

素因数分解:

$2^3\times 3^1\times {\mathrm{557}}^1\times {\mathrm{19571}}^1$

素因数の和:20137

約数の個数: 32

約数和(自身を含む): 655270560

約数和(自身を除く): 393645432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 557, 1114, 1671, 2228, 3342, 4456, 6684, 13368, 19571, 39142, 58713, 78284, 117426, 156568, 234852, 469704, 10901047, 21802094, 32703141, 43604188, 65406282, 87208376, 130812564, 261625128]

約数ペア:

[(1, 261625128), (2, 130812564), (3, 87208376), (4, 65406282), (6, 43604188), (8, 32703141), (12, 21802094), (24, 10901047), (557, 469704), (1114, 234852), (1671, 156568), (2228, 117426), (3342, 78284), (4456, 58713), (6684, 39142), (13368, 19571)]