164131856

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 384642048

約数和(自身を除く): 220510192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 41, 56, 62, 82, 112, 124, 164, 217, 248, 287, 328, 434, 496, 574, 656, 868, 1148, 1153, 1271, 1736, 2296, 2306, 2542, 3472, 4592, 4612, 5084, 8071, 8897, 9224, 10168, 16142, 17794, 18448, 20336, 32284, 35588, 35743, 47273, 64568, 71176, 71486, 94546, 129136, 142352, 142972, 189092, 250201, 285944, 330911, 378184, 500402, 571888, 661822, 756368, 1000804, 1323644, 1465463, 2001608, 2647288, 2930926, 4003216, 5294576, 5861852, 10258241, 11723704, 20516482, 23447408, 41032964, 82065928, 164131856]

約数ペア:

[(1, 164131856), (2, 82065928), (4, 41032964), (7, 23447408), (8, 20516482), (14, 11723704), (16, 10258241), (28, 5861852), (31, 5294576), (41, 4003216), (56, 2930926), (62, 2647288), (82, 2001608), (112, 1465463), (124, 1323644), (164, 1000804), (217, 756368), (248, 661822), (287, 571888), (328, 500402), (434, 378184), (496, 330911), (574, 285944), (656, 250201), (868, 189092), (1148, 142972), (1153, 142352), (1271, 129136), (1736, 94546), (2296, 71486), (2306, 71176), (2542, 64568), (3472, 47273), (4592, 35743), (4612, 35588), (5084, 32284), (8071, 20336), (8897, 18448), (9224, 17794), (10168, 16142)]