39157937

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 51383808

約数和(自身を除く): 12225871

約数列:

[1, 7, 13, 23, 53, 91, 161, 299, 353, 371, 689, 1219, 2093, 2471, 4589, 4823, 8119, 8533, 15847, 18709, 32123, 56833, 105547, 110929, 130963, 243217, 430307, 738829, 1702519, 3012149, 5593991, 39157937]

約数ペア:

[(1, 39157937), (7, 5593991), (13, 3012149), (23, 1702519), (53, 738829), (91, 430307), (161, 243217), (299, 130963), (353, 110929), (371, 105547), (689, 56833), (1219, 32123), (2093, 18709), (2471, 15847), (4589, 8533), (4823, 8119)]