161690004

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1386

約数の個数: 108

約数和(自身を含む): 482515488

約数和(自身を除く): 320825484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 71, 84, 98, 126, 142, 147, 196, 213, 252, 284, 294, 426, 441, 497, 588, 639, 852, 882, 994, 1278, 1291, 1491, 1764, 1988, 2556, 2582, 2982, 3479, 3873, 4473, 5164, 5964, 6958, 7746, 8946, 9037, 10437, 11619, 13916, 15492, 17892, 18074, 20874, 23238, 27111, 31311, 36148, 41748, 46476, 54222, 62622, 63259, 81333, 91661, 108444, 125244, 126518, 162666, 183322, 189777, 253036, 274983, 325332, 366644, 379554, 549966, 569331, 641627, 759108, 824949, 1099932, 1138662, 1283254, 1649898, 1924881, 2277324, 2566508, 3299796, 3849762, 4491389, 5774643, 7699524, 8982778, 11549286, 13474167, 17965556, 23098572, 26948334, 40422501, 53896668, 80845002, 161690004]

約数ペア:

[(1, 161690004), (2, 80845002), (3, 53896668), (4, 40422501), (6, 26948334), (7, 23098572), (9, 17965556), (12, 13474167), (14, 11549286), (18, 8982778), (21, 7699524), (28, 5774643), (36, 4491389), (42, 3849762), (49, 3299796), (63, 2566508), (71, 2277324), (84, 1924881), (98, 1649898), (126, 1283254), (142, 1138662), (147, 1099932), (196, 824949), (213, 759108), (252, 641627), (284, 569331), (294, 549966), (426, 379554), (441, 366644), (497, 325332), (588, 274983), (639, 253036), (852, 189777), (882, 183322), (994, 162666), (1278, 126518), (1291, 125244), (1491, 108444), (1764, 91661), (1988, 81333), (2556, 63259), (2582, 62622), (2982, 54222), (3479, 46476), (3873, 41748), (4473, 36148), (5164, 31311), (5964, 27111), (6958, 23238), (7746, 20874), (8946, 18074), (9037, 17892), (10437, 15492), (11619, 13916)]