257998384

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79433}}^1$

素因数の和:79477

約数の個数: 40

約数和(自身を含む): 590988960

約数和(自身を除く): 332990576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 79433, 158866, 317732, 556031, 635464, 1112062, 1270928, 2224124, 2303557, 4448248, 4607114, 8896496, 9214228, 16124899, 18428456, 32249798, 36856912, 64499596, 128999192, 257998384]

約数ペア:

[(1, 257998384), (2, 128999192), (4, 64499596), (7, 36856912), (8, 32249798), (14, 18428456), (16, 16124899), (28, 9214228), (29, 8896496), (56, 4607114), (58, 4448248), (112, 2303557), (116, 2224124), (203, 1270928), (232, 1112062), (406, 635464), (464, 556031), (812, 317732), (1624, 158866), (3248, 79433)]