1291288136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{7691}}^1$

素因数の和:8405

約数の個数: 32

約数和(自身を含む): 2503284480

約数和(自身を除く): 1211996344

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 677, 1354, 2708, 5416, 7691, 15382, 20987, 30764, 41974, 61528, 83948, 167896, 238421, 476842, 953684, 1907368, 5206807, 10413614, 20827228, 41654456, 161411017, 322822034, 645644068, 1291288136]

約数ペア:

[(1, 1291288136), (2, 645644068), (4, 322822034), (8, 161411017), (31, 41654456), (62, 20827228), (124, 10413614), (248, 5206807), (677, 1907368), (1354, 953684), (2708, 476842), (5416, 238421), (7691, 167896), (15382, 83948), (20987, 61528), (30764, 41974)]