257029578

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{366139}}^1$

素因数の和:366163

約数の個数: 32

約数和(自身を含む): 615115200

約数和(自身を除く): 358085622

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 366139, 732278, 1098417, 2196834, 3295251, 4759807, 6590502, 9519614, 9885753, 14279421, 19771506, 28558842, 42838263, 85676526, 128514789, 257029578]

約数ペア:

[(1, 257029578), (2, 128514789), (3, 85676526), (6, 42838263), (9, 28558842), (13, 19771506), (18, 14279421), (26, 9885753), (27, 9519614), (39, 6590502), (54, 4759807), (78, 3295251), (117, 2196834), (234, 1098417), (351, 732278), (702, 366139)]