212656535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2447}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 315850752

約数和(自身を除く): 103194217

約数列:

[1, 5, 7, 13, 35, 65, 91, 191, 455, 955, 1337, 2447, 2483, 6685, 12235, 12415, 17129, 17381, 31811, 85645, 86905, 159055, 222677, 467377, 1113385, 2336885, 3271639, 6075901, 16358195, 30379505, 42531307, 212656535]

約数ペア:

[(1, 212656535), (5, 42531307), (7, 30379505), (13, 16358195), (35, 6075901), (65, 3271639), (91, 2336885), (191, 1113385), (455, 467377), (955, 222677), (1337, 159055), (2447, 86905), (2483, 85645), (6685, 31811), (12235, 17381), (12415, 17129)]