81376230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208657}}^1$

素因数の和:208680

約数の個数: 32

約数和(自身を含む): 210327264

約数和(自身を除く): 128951034

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 208657, 417314, 625971, 1043285, 1251942, 2086570, 2712541, 3129855, 5425082, 6259710, 8137623, 13562705, 16275246, 27125410, 40688115, 81376230]

約数ペア:

[(1, 81376230), (2, 40688115), (3, 27125410), (5, 16275246), (6, 13562705), (10, 8137623), (13, 6259710), (15, 5425082), (26, 3129855), (30, 2712541), (39, 2086570), (65, 1251942), (78, 1043285), (130, 625971), (195, 417314), (390, 208657)]