81643212

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1548

約数の個数: 108

約数和(自身を含む): 247980096

約数和(自身を除く): 166336884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 49, 62, 63, 84, 93, 98, 124, 126, 147, 186, 196, 217, 252, 279, 294, 372, 434, 441, 558, 588, 651, 868, 882, 1116, 1302, 1493, 1519, 1764, 1953, 2604, 2986, 3038, 3906, 4479, 4557, 5972, 6076, 7812, 8958, 9114, 10451, 13437, 13671, 17916, 18228, 20902, 26874, 27342, 31353, 41804, 46283, 53748, 54684, 62706, 73157, 92566, 94059, 125412, 138849, 146314, 185132, 188118, 219471, 277698, 292628, 323981, 376236, 416547, 438942, 555396, 647962, 658413, 833094, 877884, 971943, 1295924, 1316826, 1666188, 1943886, 2267867, 2633652, 2915829, 3887772, 4535734, 5831658, 6803601, 9071468, 11663316, 13607202, 20410803, 27214404, 40821606, 81643212]

約数ペア:

[(1, 81643212), (2, 40821606), (3, 27214404), (4, 20410803), (6, 13607202), (7, 11663316), (9, 9071468), (12, 6803601), (14, 5831658), (18, 4535734), (21, 3887772), (28, 2915829), (31, 2633652), (36, 2267867), (42, 1943886), (49, 1666188), (62, 1316826), (63, 1295924), (84, 971943), (93, 877884), (98, 833094), (124, 658413), (126, 647962), (147, 555396), (186, 438942), (196, 416547), (217, 376236), (252, 323981), (279, 292628), (294, 277698), (372, 219471), (434, 188118), (441, 185132), (558, 146314), (588, 138849), (651, 125412), (868, 94059), (882, 92566), (1116, 73157), (1302, 62706), (1493, 54684), (1519, 53748), (1764, 46283), (1953, 41804), (2604, 31353), (2986, 27342), (3038, 26874), (3906, 20902), (4479, 18228), (4557, 17916), (5972, 13671), (6076, 13437), (7812, 10451), (8958, 9114)]