1640609828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{3121}}^1$

素因数の和:4068

約数の個数: 48

約数和(自身を含む): 3377754240

約数和(自身を除く): 1737144412

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 919, 1838, 3121, 3676, 6242, 10109, 11947, 12484, 20218, 23894, 34331, 40436, 40573, 47788, 68662, 81146, 131417, 137324, 162292, 262834, 446303, 525668, 892606, 1785212, 2868199, 5736398, 11472796, 31550189, 37286587, 63100378, 74573174, 126200756, 149146348, 410152457, 820304914, 1640609828]

約数ペア:

[(1, 1640609828), (2, 820304914), (4, 410152457), (11, 149146348), (13, 126200756), (22, 74573174), (26, 63100378), (44, 37286587), (52, 31550189), (143, 11472796), (286, 5736398), (572, 2868199), (919, 1785212), (1838, 892606), (3121, 525668), (3676, 446303), (6242, 262834), (10109, 162292), (11947, 137324), (12484, 131417), (20218, 81146), (23894, 68662), (34331, 47788), (40436, 40573)]