81660526

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 130014720

約数和(自身を除く): 48354194

約数列:

[1, 2, 43, 47, 86, 89, 94, 178, 227, 454, 2021, 3827, 4042, 4183, 7654, 8366, 9761, 10669, 19522, 20203, 21338, 40406, 179869, 359738, 458767, 868729, 917534, 949541, 1737458, 1899082, 40830263, 81660526]

約数ペア:

[(1, 81660526), (2, 40830263), (43, 1899082), (47, 1737458), (86, 949541), (89, 917534), (94, 868729), (178, 458767), (227, 359738), (454, 179869), (2021, 40406), (3827, 21338), (4042, 20203), (4183, 19522), (7654, 10669), (8366, 9761)]