81573702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20023}}^1$

素因数の和:20132

約数の個数: 32

約数和(自身を含む): 188385792

約数和(自身を除く): 106812090

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 20023, 40046, 60069, 120138, 140161, 280322, 420483, 840966, 1942231, 3884462, 5826693, 11653386, 13595617, 27191234, 40786851, 81573702]

約数ペア:

[(1, 81573702), (2, 40786851), (3, 27191234), (6, 13595617), (7, 11653386), (14, 5826693), (21, 3884462), (42, 1942231), (97, 840966), (194, 420483), (291, 280322), (582, 140161), (679, 120138), (1358, 60069), (2037, 40046), (4074, 20023)]