2015217775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{9887}}^1$

素因数の和:10191

約数の個数: 24

約数和(自身を含む): 2589548544

約数和(自身を除く): 574330769

約数列:

[1, 5, 25, 31, 155, 263, 775, 1315, 6575, 8153, 9887, 40765, 49435, 203825, 247175, 306497, 1532485, 2600281, 7662425, 13001405, 65007025, 80608711, 403043555, 2015217775]

約数ペア:

[(1, 2015217775), (5, 403043555), (25, 80608711), (31, 65007025), (155, 13001405), (263, 7662425), (775, 2600281), (1315, 1532485), (6575, 306497), (8153, 247175), (9887, 203825), (40765, 49435)]