1998457578

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181711}}^1$

素因数の和:181779

約数の個数: 48

約数和(自身を含む): 4762308096

約数和(自身を除く): 2763850518

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1833, 3666, 5499, 10998, 181711, 363422, 545133, 1090266, 1635399, 2362243, 3270798, 4724486, 7086729, 8540417, 14173458, 17080834, 21260187, 25621251, 42520374, 51242502, 76863753, 111025421, 153727506, 222050842, 333076263, 666152526, 999228789, 1998457578]

約数ペア:

[(1, 1998457578), (2, 999228789), (3, 666152526), (6, 333076263), (9, 222050842), (13, 153727506), (18, 111025421), (26, 76863753), (39, 51242502), (47, 42520374), (78, 25621251), (94, 21260187), (117, 17080834), (141, 14173458), (234, 8540417), (282, 7086729), (423, 4724486), (611, 3270798), (846, 2362243), (1222, 1635399), (1833, 1090266), (3666, 545133), (5499, 363422), (10998, 181711)]