251617552

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{139169}}^1$

素因数の和:139290

約数の個数: 20

約数和(自身を含む): 491826780

約数和(自身を除く): 240209228

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 139169, 278338, 556676, 1113352, 2226704, 15726097, 31452194, 62904388, 125808776, 251617552]

約数ペア:

[(1, 251617552), (2, 125808776), (4, 62904388), (8, 31452194), (16, 15726097), (113, 2226704), (226, 1113352), (452, 556676), (904, 278338), (1808, 139169)]