389637365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{15331}}^1$

素因数の和:15389

約数の個数: 32

約数和(自身を含む): 556367616

約数和(自身を除く): 166730251

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 15331, 25415, 76655, 199303, 260627, 352613, 996515, 1303135, 1763065, 3388151, 4583969, 5994421, 16940755, 22919845, 29972105, 77927473, 389637365]

約数ペア:

[(1, 389637365), (5, 77927473), (13, 29972105), (17, 22919845), (23, 16940755), (65, 5994421), (85, 4583969), (115, 3388151), (221, 1763065), (299, 1303135), (391, 996515), (1105, 352613), (1495, 260627), (1955, 199303), (5083, 76655), (15331, 25415)]