12870715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 18579456

約数和(自身を除く): 5708741

約数列:

[1, 5, 11, 13, 47, 55, 65, 143, 235, 383, 517, 611, 715, 1915, 2585, 3055, 4213, 4979, 6721, 18001, 21065, 24895, 33605, 54769, 90005, 198011, 234013, 273845, 990055, 1170065, 2574143, 12870715]

約数ペア:

[(1, 12870715), (5, 2574143), (11, 1170065), (13, 990055), (47, 273845), (55, 234013), (65, 198011), (143, 90005), (235, 54769), (383, 33605), (517, 24895), (611, 21065), (715, 18001), (1915, 6721), (2585, 4979), (3055, 4213)]