2041585

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 3073896

約数和(自身を除く): 1032311

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 641, 3185, 3205, 4487, 8333, 22435, 31409, 41665, 58331, 157045, 291655, 408317, 2041585]

約数ペア:

[(1, 2041585), (5, 408317), (7, 291655), (13, 157045), (35, 58331), (49, 41665), (65, 31409), (91, 22435), (245, 8333), (455, 4487), (637, 3205), (641, 3185)]