1640365258

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{140659}}^1$

素因数の和:140699

約数の個数: 32

約数和(自身を含む): 3038256000

約数和(自身を除く): 1397890742

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 686, 833, 1666, 5831, 11662, 140659, 281318, 984613, 1969226, 2391203, 4782406, 6892291, 13784582, 16738421, 33476842, 48246037, 96492074, 117168947, 234337894, 820182629, 1640365258]

約数ペア:

[(1, 1640365258), (2, 820182629), (7, 234337894), (14, 117168947), (17, 96492074), (34, 48246037), (49, 33476842), (98, 16738421), (119, 13784582), (238, 6892291), (343, 4782406), (686, 2391203), (833, 1969226), (1666, 984613), (5831, 281318), (11662, 140659)]