78184419

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{659}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 106064640

約数和(自身を除く): 27880221

約数列:

[1, 3, 71, 213, 557, 659, 1671, 1977, 39547, 46789, 118641, 140367, 367063, 1101189, 26061473, 78184419]

約数ペア:

[(1, 78184419), (3, 26061473), (71, 1101189), (213, 367063), (557, 140367), (659, 118641), (1671, 46789), (1977, 39547)]