31561270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{242779}}^1$

素因数の和:242799

約数の個数: 16

約数和(自身を含む): 61180560

約数和(自身を除く): 29619290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 242779, 485558, 1213895, 2427790, 3156127, 6312254, 15780635, 31561270]

約数ペア:

[(1, 31561270), (2, 15780635), (5, 6312254), (10, 3156127), (13, 2427790), (26, 1213895), (65, 485558), (130, 242779)]