51007216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{977}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 106961904

約数和(自身を除く): 55954688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 251, 502, 977, 1004, 1954, 2008, 3263, 3908, 4016, 6526, 7816, 12701, 13052, 15632, 25402, 26104, 50804, 52208, 101608, 203216, 245227, 490454, 980908, 1961816, 3187951, 3923632, 6375902, 12751804, 25503608, 51007216]

約数ペア:

[(1, 51007216), (2, 25503608), (4, 12751804), (8, 6375902), (13, 3923632), (16, 3187951), (26, 1961816), (52, 980908), (104, 490454), (208, 245227), (251, 203216), (502, 101608), (977, 52208), (1004, 50804), (1954, 26104), (2008, 25402), (3263, 15632), (3908, 13052), (4016, 12701), (6526, 7816)]