87969905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 118195200

約数和(自身を除く): 30225295

約数列:

[1, 5, 19, 29, 37, 95, 145, 185, 551, 703, 863, 1073, 2755, 3515, 4315, 5365, 16397, 20387, 25027, 31931, 81985, 101935, 125135, 159655, 475513, 606689, 925999, 2377565, 3033445, 4629995, 17593981, 87969905]

約数ペア:

[(1, 87969905), (5, 17593981), (19, 4629995), (29, 3033445), (37, 2377565), (95, 925999), (145, 606689), (185, 475513), (551, 159655), (703, 125135), (863, 101935), (1073, 81985), (2755, 31931), (3515, 25027), (4315, 20387), (5365, 16397)]