128908031

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{15107}}^1$

素因数の和:15190

約数の個数: 16

約数和(自身を含む): 156639744

約数和(自身を除く): 27731713

約数列:

[1, 7, 23, 53, 161, 371, 1219, 8533, 15107, 105749, 347461, 800671, 2432227, 5604697, 18415433, 128908031]

約数ペア:

[(1, 128908031), (7, 18415433), (23, 5604697), (53, 2432227), (161, 800671), (371, 347461), (1219, 105749), (8533, 15107)]