13987519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 18514944

約数和(自身を除く): 4527425

約数列:

[1, 7, 13, 23, 41, 91, 161, 163, 287, 299, 533, 943, 1141, 2093, 2119, 3731, 3749, 6601, 6683, 12259, 14833, 26243, 46781, 48737, 85813, 86879, 153709, 341159, 608153, 1075963, 1998217, 13987519]

約数ペア:

[(1, 13987519), (7, 1998217), (13, 1075963), (23, 608153), (41, 341159), (91, 153709), (161, 86879), (163, 85813), (287, 48737), (299, 46781), (533, 26243), (943, 14833), (1141, 12259), (2093, 6683), (2119, 6601), (3731, 3749)]