257325408

素因数分解:

$2^5\times 3^2\times {\mathrm{113}}^1\times {\mathrm{7907}}^1$

素因数の和:8036

約数の個数: 72

約数和(自身を含む): 738338328

約数和(自身を除く): 481012920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 113, 144, 226, 288, 339, 452, 678, 904, 1017, 1356, 1808, 2034, 2712, 3616, 4068, 5424, 7907, 8136, 10848, 15814, 16272, 23721, 31628, 32544, 47442, 63256, 71163, 94884, 126512, 142326, 189768, 253024, 284652, 379536, 569304, 759072, 893491, 1138608, 1786982, 2277216, 2680473, 3573964, 5360946, 7147928, 8041419, 10721892, 14295856, 16082838, 21443784, 28591712, 32165676, 42887568, 64331352, 85775136, 128662704, 257325408]

約数ペア:

[(1, 257325408), (2, 128662704), (3, 85775136), (4, 64331352), (6, 42887568), (8, 32165676), (9, 28591712), (12, 21443784), (16, 16082838), (18, 14295856), (24, 10721892), (32, 8041419), (36, 7147928), (48, 5360946), (72, 3573964), (96, 2680473), (113, 2277216), (144, 1786982), (226, 1138608), (288, 893491), (339, 759072), (452, 569304), (678, 379536), (904, 284652), (1017, 253024), (1356, 189768), (1808, 142326), (2034, 126512), (2712, 94884), (3616, 71163), (4068, 63256), (5424, 47442), (7907, 32544), (8136, 31628), (10848, 23721), (15814, 16272)]