257063464

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241601}}^1$

素因数の和:241633

約数の個数: 32

約数和(自身を含む): 579844800

約数和(自身を除く): 322781336

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 241601, 483202, 966404, 1691207, 1932808, 3382414, 4590419, 6764828, 9180838, 13529656, 18361676, 32132933, 36723352, 64265866, 128531732, 257063464]

約数ペア:

[(1, 257063464), (2, 128531732), (4, 64265866), (7, 36723352), (8, 32132933), (14, 18361676), (19, 13529656), (28, 9180838), (38, 6764828), (56, 4590419), (76, 3382414), (133, 1932808), (152, 1691207), (266, 966404), (532, 483202), (1064, 241601)]