421290499

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{1627}}^1$

素因数の和:2226

約数の個数: 16

約数和(自身を含む): 489494016

約数和(自身を除く): 68203517

約数列:

[1, 7, 71, 497, 521, 1627, 3647, 11389, 36991, 115517, 258937, 808619, 847667, 5933669, 60184357, 421290499]

約数ペア:

[(1, 421290499), (7, 60184357), (71, 5933669), (497, 847667), (521, 808619), (1627, 258937), (3647, 115517), (11389, 36991)]