64778950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 124683984

約数和(自身を除く): 59905034

約数列:

[1, 2, 5, 10, 25, 50, 61, 67, 122, 134, 305, 317, 335, 610, 634, 670, 1525, 1585, 1675, 3050, 3170, 3350, 4087, 7925, 8174, 15850, 19337, 20435, 21239, 38674, 40870, 42478, 96685, 102175, 106195, 193370, 204350, 212390, 483425, 530975, 966850, 1061950, 1295579, 2591158, 6477895, 12955790, 32389475, 64778950]

約数ペア:

[(1, 64778950), (2, 32389475), (5, 12955790), (10, 6477895), (25, 2591158), (50, 1295579), (61, 1061950), (67, 966850), (122, 530975), (134, 483425), (305, 212390), (317, 204350), (335, 193370), (610, 106195), (634, 102175), (670, 96685), (1525, 42478), (1585, 40870), (1675, 38674), (3050, 21239), (3170, 20435), (3350, 19337), (4087, 15850), (7925, 8174)]