256214712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{1213}}^1$

素因数の和:1912

約数の個数: 64

約数和(自身を含む): 691397280

約数和(自身を除く): 435182568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 677, 1213, 1354, 2031, 2426, 2708, 3639, 4062, 4852, 5416, 7278, 8124, 8801, 9704, 14556, 15769, 16248, 17602, 26403, 29112, 31538, 35204, 47307, 52806, 63076, 70408, 94614, 105612, 126152, 189228, 211224, 378456, 821201, 1642402, 2463603, 3284804, 4927206, 6569608, 9854412, 10675613, 19708824, 21351226, 32026839, 42702452, 64053678, 85404904, 128107356, 256214712]

約数ペア:

[(1, 256214712), (2, 128107356), (3, 85404904), (4, 64053678), (6, 42702452), (8, 32026839), (12, 21351226), (13, 19708824), (24, 10675613), (26, 9854412), (39, 6569608), (52, 4927206), (78, 3284804), (104, 2463603), (156, 1642402), (312, 821201), (677, 378456), (1213, 211224), (1354, 189228), (2031, 126152), (2426, 105612), (2708, 94614), (3639, 70408), (4062, 63076), (4852, 52806), (5416, 47307), (7278, 35204), (8124, 31538), (8801, 29112), (9704, 26403), (14556, 17602), (15769, 16248)]