81263784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21031}}^1$

素因数の和:21070

約数の個数: 64

約数和(自身を含む): 242288640

約数和(自身を除く): 161024856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 21031, 42062, 63093, 84124, 126186, 147217, 168248, 252372, 294434, 441651, 483713, 504744, 588868, 883302, 967426, 1177736, 1451139, 1766604, 1934852, 2902278, 3385991, 3533208, 3869704, 5804556, 6771982, 10157973, 11609112, 13543964, 20315946, 27087928, 40631892, 81263784]

約数ペア:

[(1, 81263784), (2, 40631892), (3, 27087928), (4, 20315946), (6, 13543964), (7, 11609112), (8, 10157973), (12, 6771982), (14, 5804556), (21, 3869704), (23, 3533208), (24, 3385991), (28, 2902278), (42, 1934852), (46, 1766604), (56, 1451139), (69, 1177736), (84, 967426), (92, 883302), (138, 588868), (161, 504744), (168, 483713), (184, 441651), (276, 294434), (322, 252372), (483, 168248), (552, 147217), (644, 126186), (966, 84124), (1288, 63093), (1932, 42062), (3864, 21031)]