256579368

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{1117}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 680996160

約数和(自身を除く): 424416792

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 563, 1117, 1126, 1689, 2234, 2252, 3351, 3378, 4468, 4504, 6702, 6756, 8936, 9571, 13404, 13512, 18989, 19142, 26808, 28713, 37978, 38284, 56967, 57426, 75956, 76568, 113934, 114852, 151912, 227868, 229704, 455736, 628871, 1257742, 1886613, 2515484, 3773226, 5030968, 7546452, 10690807, 15092904, 21381614, 32072421, 42763228, 64144842, 85526456, 128289684, 256579368]

約数ペア:

[(1, 256579368), (2, 128289684), (3, 85526456), (4, 64144842), (6, 42763228), (8, 32072421), (12, 21381614), (17, 15092904), (24, 10690807), (34, 7546452), (51, 5030968), (68, 3773226), (102, 2515484), (136, 1886613), (204, 1257742), (408, 628871), (563, 455736), (1117, 229704), (1126, 227868), (1689, 151912), (2234, 114852), (2252, 113934), (3351, 76568), (3378, 75956), (4468, 57426), (4504, 56967), (6702, 38284), (6756, 37978), (8936, 28713), (9571, 26808), (13404, 19142), (13512, 18989)]