156564289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{1571}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 187130880

約数和(自身を除く): 30566591

約数列:

[1, 7, 23, 161, 619, 1571, 4333, 10997, 14237, 36133, 99659, 252931, 972449, 6807143, 22366327, 156564289]

約数ペア:

[(1, 156564289), (7, 22366327), (23, 6807143), (161, 972449), (619, 252931), (1571, 99659), (4333, 36133), (10997, 14237)]