217950406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{78569}}^1$

素因数の和:78663

約数の個数: 16

約数和(自身を含む): 348850800

約数和(自身を除く): 130900394

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 78569, 157138, 1492811, 2985622, 5735537, 11471074, 108975203, 217950406]

約数ペア:

[(1, 217950406), (2, 108975203), (19, 11471074), (38, 5735537), (73, 2985622), (146, 1492811), (1387, 157138), (2774, 78569)]