81943376

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{70157}}^1$

素因数の和:70238

約数の個数: 20

約数和(自身を含む): 160942452

約数和(自身を除く): 78999076

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 70157, 140314, 280628, 561256, 1122512, 5121461, 10242922, 20485844, 40971688, 81943376]

約数ペア:

[(1, 81943376), (2, 40971688), (4, 20485844), (8, 10242922), (16, 5121461), (73, 1122512), (146, 561256), (292, 280628), (584, 140314), (1168, 70157)]