25478012

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 54378240

約数和(自身を除く): 28900228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 532, 577, 581, 1154, 1162, 1577, 2308, 2324, 3154, 4039, 6308, 8078, 10963, 11039, 16156, 21926, 22078, 43852, 44156, 47891, 76741, 95782, 153482, 191564, 306964, 335237, 670474, 909929, 1340948, 1819858, 3639716, 6369503, 12739006, 25478012]

約数ペア:

[(1, 25478012), (2, 12739006), (4, 6369503), (7, 3639716), (14, 1819858), (19, 1340948), (28, 909929), (38, 670474), (76, 335237), (83, 306964), (133, 191564), (166, 153482), (266, 95782), (332, 76741), (532, 47891), (577, 44156), (581, 43852), (1154, 22078), (1162, 21926), (1577, 16156), (2308, 11039), (2324, 10963), (3154, 8078), (4039, 6308)]