72761845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21121}}^1$

素因数の和:21192

約数の個数: 16

約数和(自身を含む): 95809392

約数和(自身を除く): 23047547

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 21121, 105605, 274573, 1119413, 1372865, 5597065, 14552369, 72761845]

約数ペア:

[(1, 72761845), (5, 14552369), (13, 5597065), (53, 1372865), (65, 1119413), (265, 274573), (689, 105605), (3445, 21121)]