256431474

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{28099}}^1$

素因数の和:28136

約数の個数: 48

約数和(自身を含む): 617076000

約数和(自身を除く): 360644526

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 3042, 4563, 9126, 28099, 56198, 84297, 168594, 252891, 365287, 505782, 730574, 758673, 1095861, 1517346, 2191722, 3287583, 4748731, 6575166, 9497462, 9862749, 14246193, 19725498, 28492386, 42738579, 85477158, 128215737, 256431474]

約数ペア:

[(1, 256431474), (2, 128215737), (3, 85477158), (6, 42738579), (9, 28492386), (13, 19725498), (18, 14246193), (26, 9862749), (27, 9497462), (39, 6575166), (54, 4748731), (78, 3287583), (117, 2191722), (169, 1517346), (234, 1095861), (338, 758673), (351, 730574), (507, 505782), (702, 365287), (1014, 252891), (1521, 168594), (3042, 84297), (4563, 56198), (9126, 28099)]