138561913

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{503}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 174182400

約数和(自身を除く): 35620487

約数列:

[1, 7, 23, 29, 59, 161, 203, 413, 503, 667, 1357, 1711, 3521, 4669, 9499, 11569, 11977, 14587, 29677, 39353, 80983, 102109, 207739, 275471, 335501, 682571, 860633, 2348507, 4777997, 6024431, 19794559, 138561913]

約数ペア:

[(1, 138561913), (7, 19794559), (23, 6024431), (29, 4777997), (59, 2348507), (161, 860633), (203, 682571), (413, 335501), (503, 275471), (667, 207739), (1357, 102109), (1711, 80983), (3521, 39353), (4669, 29677), (9499, 14587), (11569, 11977)]