81439428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4271}}^1$

素因数の和:4512

約数の個数: 48

約数和(自身を含む): 218179584

約数和(自身を除く): 136740156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 227, 454, 681, 908, 1362, 1589, 2724, 3178, 4271, 4767, 6356, 8542, 9534, 12813, 17084, 19068, 25626, 29897, 51252, 59794, 89691, 119588, 179382, 358764, 969517, 1939034, 2908551, 3878068, 5817102, 6786619, 11634204, 13573238, 20359857, 27146476, 40719714, 81439428]

約数ペア:

[(1, 81439428), (2, 40719714), (3, 27146476), (4, 20359857), (6, 13573238), (7, 11634204), (12, 6786619), (14, 5817102), (21, 3878068), (28, 2908551), (42, 1939034), (84, 969517), (227, 358764), (454, 179382), (681, 119588), (908, 89691), (1362, 59794), (1589, 51252), (2724, 29897), (3178, 25626), (4271, 19068), (4767, 17084), (6356, 12813), (8542, 9534)]