331317610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{68881}}^1$

素因数の和:68938

約数の個数: 32

約数和(自身を含む): 659614032

約数和(自身を除く): 328296422

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 68881, 137762, 344405, 688810, 895453, 1790906, 2548597, 4477265, 5097194, 8954530, 12742985, 25485970, 33131761, 66263522, 165658805, 331317610]

約数ペア:

[(1, 331317610), (2, 165658805), (5, 66263522), (10, 33131761), (13, 25485970), (26, 12742985), (37, 8954530), (65, 5097194), (74, 4477265), (130, 2548597), (185, 1790906), (370, 895453), (481, 688810), (962, 344405), (2405, 137762), (4810, 68881)]