87780308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2767}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 193449984

約数和(自身を除く): 105669676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 154, 206, 308, 412, 721, 1133, 1442, 2266, 2767, 2884, 4532, 5534, 7931, 11068, 15862, 19369, 30437, 31724, 38738, 60874, 77476, 121748, 213059, 285001, 426118, 570002, 852236, 1140004, 1995007, 3135011, 3990014, 6270022, 7980028, 12540044, 21945077, 43890154, 87780308]

約数ペア:

[(1, 87780308), (2, 43890154), (4, 21945077), (7, 12540044), (11, 7980028), (14, 6270022), (22, 3990014), (28, 3135011), (44, 1995007), (77, 1140004), (103, 852236), (154, 570002), (206, 426118), (308, 285001), (412, 213059), (721, 121748), (1133, 77476), (1442, 60874), (2266, 38738), (2767, 31724), (2884, 30437), (4532, 19369), (5534, 15862), (7931, 11068)]