681330786

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{25639}}^1$

素因数の和:25790

約数の個数: 32

約数和(自身を含む): 1407943680

約数和(自身を除く): 726612894

約数列:

[1, 2, 3, 6, 43, 86, 103, 129, 206, 258, 309, 618, 4429, 8858, 13287, 25639, 26574, 51278, 76917, 153834, 1102477, 2204954, 2640817, 3307431, 5281634, 6614862, 7922451, 15844902, 113555131, 227110262, 340665393, 681330786]

約数ペア:

[(1, 681330786), (2, 340665393), (3, 227110262), (6, 113555131), (43, 15844902), (86, 7922451), (103, 6614862), (129, 5281634), (206, 3307431), (258, 2640817), (309, 2204954), (618, 1102477), (4429, 153834), (8858, 76917), (13287, 51278), (25639, 26574)]