257187408

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{563}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 689289216

約数和(自身を除く): 432101808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 307, 372, 496, 563, 614, 744, 921, 1126, 1228, 1488, 1689, 1842, 2252, 2456, 3378, 3684, 4504, 4912, 6756, 7368, 9008, 9517, 13512, 14736, 17453, 19034, 27024, 28551, 34906, 38068, 52359, 57102, 69812, 76136, 104718, 114204, 139624, 152272, 172841, 209436, 228408, 279248, 345682, 418872, 456816, 518523, 691364, 837744, 1037046, 1382728, 2074092, 2765456, 4148184, 5358071, 8296368, 10716142, 16074213, 21432284, 32148426, 42864568, 64296852, 85729136, 128593704, 257187408]

約数ペア:

[(1, 257187408), (2, 128593704), (3, 85729136), (4, 64296852), (6, 42864568), (8, 32148426), (12, 21432284), (16, 16074213), (24, 10716142), (31, 8296368), (48, 5358071), (62, 4148184), (93, 2765456), (124, 2074092), (186, 1382728), (248, 1037046), (307, 837744), (372, 691364), (496, 518523), (563, 456816), (614, 418872), (744, 345682), (921, 279248), (1126, 228408), (1228, 209436), (1488, 172841), (1689, 152272), (1842, 139624), (2252, 114204), (2456, 104718), (3378, 76136), (3684, 69812), (4504, 57102), (4912, 52359), (6756, 38068), (7368, 34906), (9008, 28551), (9517, 27024), (13512, 19034), (14736, 17453)]