251870830

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{412903}}^1$

素因数の和:412971

約数の個数: 16

約数和(自身を含む): 460800864

約数和(自身を除く): 208930034

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 412903, 825806, 2064515, 4129030, 25187083, 50374166, 125935415, 251870830]

約数ペア:

[(1, 251870830), (2, 125935415), (5, 50374166), (10, 25187083), (61, 4129030), (122, 2064515), (305, 825806), (610, 412903)]