2643670253

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 3121128192

約数和(自身を除く): 477457939

約数列:

[1, 7, 73, 101, 181, 283, 511, 707, 1267, 1981, 7373, 13213, 18281, 20659, 28583, 51223, 51611, 92491, 127967, 144613, 200081, 358561, 1334513, 2086559, 3739279, 5173523, 9341591, 14605913, 26174953, 36214661, 377667179, 2643670253]

約数ペア:

[(1, 2643670253), (7, 377667179), (73, 36214661), (101, 26174953), (181, 14605913), (283, 9341591), (511, 5173523), (707, 3739279), (1267, 2086559), (1981, 1334513), (7373, 358561), (13213, 200081), (18281, 144613), (20659, 127967), (28583, 92491), (51223, 51611)]