66872890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30817}}^1$

素因数の和:30862

約数の個数: 32

約数和(自身を含む): 142009344

約数和(自身を除く): 75136454

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 30817, 61634, 154085, 215719, 308170, 431438, 955327, 1078595, 1910654, 2157190, 4776635, 6687289, 9553270, 13374578, 33436445, 66872890]

約数ペア:

[(1, 66872890), (2, 33436445), (5, 13374578), (7, 9553270), (10, 6687289), (14, 4776635), (31, 2157190), (35, 1910654), (62, 1078595), (70, 955327), (155, 431438), (217, 308170), (310, 215719), (434, 154085), (1085, 61634), (2170, 30817)]