51285990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{244219}}^1$

素因数の和:244236

約数の個数: 32

約数和(自身を含む): 140670720

約数和(自身を除く): 89384730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 244219, 488438, 732657, 1221095, 1465314, 1709533, 2442190, 3419066, 3663285, 5128599, 7326570, 8547665, 10257198, 17095330, 25642995, 51285990]

約数ペア:

[(1, 51285990), (2, 25642995), (3, 17095330), (5, 10257198), (6, 8547665), (7, 7326570), (10, 5128599), (14, 3663285), (15, 3419066), (21, 2442190), (30, 1709533), (35, 1465314), (42, 1221095), (70, 732657), (105, 488438), (210, 244219)]