81890718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6521}}^1$

素因数の和:6569

約数の個数: 64

約数和(自身を含む): 210373632

約数和(自身を除く): 128482914

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1794, 2093, 4186, 6279, 6521, 12558, 13042, 19563, 39126, 45647, 84773, 91294, 136941, 149983, 169546, 254319, 273882, 299966, 449949, 508638, 593411, 899898, 1049881, 1186822, 1780233, 1949779, 2099762, 3149643, 3560466, 3899558, 5849337, 6299286, 11698674, 13648453, 27296906, 40945359, 81890718]

約数ペア:

[(1, 81890718), (2, 40945359), (3, 27296906), (6, 13648453), (7, 11698674), (13, 6299286), (14, 5849337), (21, 3899558), (23, 3560466), (26, 3149643), (39, 2099762), (42, 1949779), (46, 1780233), (69, 1186822), (78, 1049881), (91, 899898), (138, 593411), (161, 508638), (182, 449949), (273, 299966), (299, 273882), (322, 254319), (483, 169546), (546, 149983), (598, 136941), (897, 91294), (966, 84773), (1794, 45647), (2093, 39126), (4186, 19563), (6279, 13042), (6521, 12558)]