245078406

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 555609600

約数和(自身を除く): 310531194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 139, 206, 278, 309, 317, 417, 618, 634, 834, 927, 951, 1251, 1854, 1902, 2502, 2781, 2853, 3753, 5562, 5706, 7506, 8559, 14317, 17118, 28634, 32651, 42951, 44063, 65302, 85902, 88126, 97953, 128853, 132189, 195906, 257706, 264378, 293859, 386559, 396567, 587718, 773118, 793134, 881577, 1189701, 1763154, 2379402, 4538489, 9076978, 13615467, 27230934, 40846401, 81692802, 122539203, 245078406]

約数ペア:

[(1, 245078406), (2, 122539203), (3, 81692802), (6, 40846401), (9, 27230934), (18, 13615467), (27, 9076978), (54, 4538489), (103, 2379402), (139, 1763154), (206, 1189701), (278, 881577), (309, 793134), (317, 773118), (417, 587718), (618, 396567), (634, 386559), (834, 293859), (927, 264378), (951, 257706), (1251, 195906), (1854, 132189), (1902, 128853), (2502, 97953), (2781, 88126), (2853, 85902), (3753, 65302), (5562, 44063), (5706, 42951), (7506, 32651), (8559, 28634), (14317, 17118)]