81991404

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6679}}^1$

素因数の和:6731

約数の個数: 72

約数和(自身を含む): 233425920

約数和(自身を除く): 151434516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1364, 2046, 3069, 4092, 6138, 6679, 12276, 13358, 20037, 26716, 40074, 60111, 73469, 80148, 120222, 146938, 207049, 220407, 240444, 293876, 414098, 440814, 621147, 661221, 828196, 881628, 1242294, 1322442, 1863441, 2277539, 2484588, 2644884, 3726882, 4555078, 6832617, 7453764, 9110156, 13665234, 20497851, 27330468, 40995702, 81991404]

約数ペア:

[(1, 81991404), (2, 40995702), (3, 27330468), (4, 20497851), (6, 13665234), (9, 9110156), (11, 7453764), (12, 6832617), (18, 4555078), (22, 3726882), (31, 2644884), (33, 2484588), (36, 2277539), (44, 1863441), (62, 1322442), (66, 1242294), (93, 881628), (99, 828196), (124, 661221), (132, 621147), (186, 440814), (198, 414098), (279, 293876), (341, 240444), (372, 220407), (396, 207049), (558, 146938), (682, 120222), (1023, 80148), (1116, 73469), (1364, 60111), (2046, 40074), (3069, 26716), (4092, 20037), (6138, 13358), (6679, 12276)]