398724156918

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1117}}^1\times {\mathrm{639713}}^1$

素因数の和:640869

約数の個数: 48

約数和(自身を含む): 892569914496

約数和(自身を除く): 493845757578

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 1117, 2234, 3351, 6702, 10053, 20106, 34627, 69254, 103881, 207762, 311643, 623286, 639713, 1279426, 1919139, 3838278, 5757417, 11514834, 19831103, 39662206, 59493309, 118986618, 178479927, 356959854, 714559421, 1429118842, 2143678263, 4287356526, 6431034789, 12862069578, 22151342051, 44302684102, 66454026153, 132908052306, 199362078459, 398724156918]

約数ペア:

[(1, 398724156918), (2, 199362078459), (3, 132908052306), (6, 66454026153), (9, 44302684102), (18, 22151342051), (31, 12862069578), (62, 6431034789), (93, 4287356526), (186, 2143678263), (279, 1429118842), (558, 714559421), (1117, 356959854), (2234, 178479927), (3351, 118986618), (6702, 59493309), (10053, 39662206), (20106, 19831103), (34627, 11514834), (69254, 5757417), (103881, 3838278), (207762, 1919139), (311643, 1279426), (623286, 639713)]