1266420199984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4165855921}}^1$

素因数の和:4165855948

約数の個数: 20

約数和(自身を含む): 2582830671640

約数和(自身を除く): 1316410471656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4165855921, 8331711842, 16663423684, 33326847368, 66653694736, 79151262499, 158302524998, 316605049996, 633210099992, 1266420199984]

約数ペア:

[(1, 1266420199984), (2, 633210099992), (4, 316605049996), (8, 158302524998), (16, 79151262499), (19, 66653694736), (38, 33326847368), (76, 16663423684), (152, 8331711842), (304, 4165855921)]