398255280306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1\times {\mathrm{82891}}^1$

素因数の和:84927

約数の個数: 64

約数和(自身を含む): 885907255296

約数和(自身を除く): 487651974990

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 1987, 2418, 3974, 5961, 11922, 25831, 51662, 61597, 77493, 82891, 123194, 154986, 165782, 184791, 248673, 369582, 497346, 800761, 1077583, 1601522, 2155166, 2402283, 2569621, 3232749, 4804566, 5139242, 6465498, 7708863, 15417726, 33405073, 66810146, 100215219, 164704417, 200430438, 329408834, 494113251, 988226502, 2141157421, 4282314842, 5105836927, 6423472263, 10211673854, 12846944526, 15317510781, 30635021562, 66375880051, 132751760102, 199127640153, 398255280306]

約数ペア:

[(1, 398255280306), (2, 199127640153), (3, 132751760102), (6, 66375880051), (13, 30635021562), (26, 15317510781), (31, 12846944526), (39, 10211673854), (62, 6423472263), (78, 5105836927), (93, 4282314842), (186, 2141157421), (403, 988226502), (806, 494113251), (1209, 329408834), (1987, 200430438), (2418, 164704417), (3974, 100215219), (5961, 66810146), (11922, 33405073), (25831, 15417726), (51662, 7708863), (61597, 6465498), (77493, 5139242), (82891, 4804566), (123194, 3232749), (154986, 2569621), (165782, 2402283), (184791, 2155166), (248673, 1601522), (369582, 1077583), (497346, 800761)]