209497967

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{6421}}^1$

素因数の和:6566

約数の個数: 16

約数和(自身を含む): 246604800

約数和(自身を除く): 37106833

約数列:

[1, 7, 59, 79, 413, 553, 4661, 6421, 32627, 44947, 378839, 507259, 2651873, 3550813, 29928281, 209497967]

約数ペア:

[(1, 209497967), (7, 29928281), (59, 3550813), (79, 2651873), (413, 507259), (553, 378839), (4661, 44947), (6421, 32627)]