28621901

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1123}}^1$

素因数の和:1472

約数の個数: 16

約数和(自身を含む): 35824128

約数和(自身を除く): 7202227

約数列:

[1, 7, 11, 77, 331, 1123, 2317, 3641, 7861, 12353, 25487, 86471, 371713, 2601991, 4088843, 28621901]

約数ペア:

[(1, 28621901), (7, 4088843), (11, 2601991), (77, 371713), (331, 86471), (1123, 25487), (2317, 12353), (3641, 7861)]