128630005

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1151}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 184025088

約数和(自身を除く): 55395083

約数列:

[1, 5, 7, 31, 35, 103, 155, 217, 515, 721, 1085, 1151, 3193, 3605, 5755, 8057, 15965, 22351, 35681, 40285, 111755, 118553, 178405, 249767, 592765, 829871, 1248835, 3675143, 4149355, 18375715, 25726001, 128630005]

約数ペア:

[(1, 128630005), (5, 25726001), (7, 18375715), (31, 4149355), (35, 3675143), (103, 1248835), (155, 829871), (217, 592765), (515, 249767), (721, 178405), (1085, 118553), (1151, 111755), (3193, 40285), (3605, 35681), (5755, 22351), (8057, 15965)]