28008006

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2621}}^1$

素因数の和:2776

約数の個数: 32

約数和(自身を含む): 60788448

約数和(自身を除く): 32780442

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1781, 2621, 3562, 5242, 5343, 7863, 10686, 15726, 34073, 68146, 102219, 204438, 359077, 718154, 1077231, 2154462, 4668001, 9336002, 14004003, 28008006]

約数ペア:

[(1, 28008006), (2, 14004003), (3, 9336002), (6, 4668001), (13, 2154462), (26, 1077231), (39, 718154), (78, 359077), (137, 204438), (274, 102219), (411, 68146), (822, 34073), (1781, 15726), (2621, 10686), (3562, 7863), (5242, 5343)]