81997992

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{5107}}^1$

素因数の和:5342

約数の個数: 48

約数和(自身を含む): 223117440

約数和(自身を除く): 141119448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 446, 669, 892, 1338, 1784, 2007, 2676, 4014, 5107, 5352, 8028, 10214, 15321, 16056, 20428, 30642, 40856, 45963, 61284, 91926, 122568, 183852, 367704, 1138861, 2277722, 3416583, 4555444, 6833166, 9110888, 10249749, 13666332, 20499498, 27332664, 40998996, 81997992]

約数ペア:

[(1, 81997992), (2, 40998996), (3, 27332664), (4, 20499498), (6, 13666332), (8, 10249749), (9, 9110888), (12, 6833166), (18, 4555444), (24, 3416583), (36, 2277722), (72, 1138861), (223, 367704), (446, 183852), (669, 122568), (892, 91926), (1338, 61284), (1784, 45963), (2007, 40856), (2676, 30642), (4014, 20428), (5107, 16056), (5352, 15321), (8028, 10214)]