681566238

素因数分解:

$2^1\times 3^4\times {\mathrm{769}}^1\times {\mathrm{5471}}^1$

素因数の和:6254

約数の個数: 40

約数和(自身を含む): 1529478720

約数和(自身を除く): 847912482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 769, 1538, 2307, 4614, 5471, 6921, 10942, 13842, 16413, 20763, 32826, 41526, 49239, 62289, 98478, 124578, 147717, 295434, 443151, 886302, 4207199, 8414398, 12621597, 25243194, 37864791, 75729582, 113594373, 227188746, 340783119, 681566238]

約数ペア:

[(1, 681566238), (2, 340783119), (3, 227188746), (6, 113594373), (9, 75729582), (18, 37864791), (27, 25243194), (54, 12621597), (81, 8414398), (162, 4207199), (769, 886302), (1538, 443151), (2307, 295434), (4614, 147717), (5471, 124578), (6921, 98478), (10942, 62289), (13842, 49239), (16413, 41526), (20763, 32826)]