74820081

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 129761280

約数和(自身を除く): 54941199

約数列:

[1, 3, 7, 19, 21, 23, 31, 57, 69, 93, 133, 161, 217, 263, 399, 437, 483, 589, 651, 713, 789, 1311, 1767, 1841, 2139, 3059, 4123, 4991, 4997, 5523, 6049, 8153, 9177, 12369, 13547, 14973, 14991, 18147, 24459, 34979, 40641, 42343, 57071, 94829, 104937, 114931, 127029, 154907, 171213, 187519, 284487, 344793, 464721, 562557, 804517, 1084349, 1312633, 2413551, 3253047, 3562861, 3937899, 10688583, 24940027, 74820081]

約数ペア:

[(1, 74820081), (3, 24940027), (7, 10688583), (19, 3937899), (21, 3562861), (23, 3253047), (31, 2413551), (57, 1312633), (69, 1084349), (93, 804517), (133, 562557), (161, 464721), (217, 344793), (263, 284487), (399, 187519), (437, 171213), (483, 154907), (589, 127029), (651, 114931), (713, 104937), (789, 94829), (1311, 57071), (1767, 42343), (1841, 40641), (2139, 34979), (3059, 24459), (4123, 18147), (4991, 14991), (4997, 14973), (5523, 13547), (6049, 12369), (8153, 9177)]