72691688

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{221621}}^1$

素因数の和:221668

約数の個数: 16

約数和(自身を含む): 139621860

約数和(自身を除く): 66930172

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 221621, 443242, 886484, 1772968, 9086461, 18172922, 36345844, 72691688]

約数ペア:

[(1, 72691688), (2, 36345844), (4, 18172922), (8, 9086461), (41, 1772968), (82, 886484), (164, 443242), (328, 221621)]