390985882

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{4363}}^1$

素因数の和:4582

約数の個数: 32

約数和(自身を含む): 692514432

約数和(自身を除く): 301528550

約数列:

[1, 2, 7, 14, 37, 74, 173, 259, 346, 518, 1211, 2422, 4363, 6401, 8726, 12802, 30541, 44807, 61082, 89614, 161431, 322862, 754799, 1130017, 1509598, 2260034, 5283593, 10567186, 27927563, 55855126, 195492941, 390985882]

約数ペア:

[(1, 390985882), (2, 195492941), (7, 55855126), (14, 27927563), (37, 10567186), (74, 5283593), (173, 2260034), (259, 1509598), (346, 1130017), (518, 754799), (1211, 322862), (2422, 161431), (4363, 89614), (6401, 61082), (8726, 44807), (12802, 30541)]