2161812478

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{439}}^1\times {\mathrm{461}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 3823696800

約数和(自身を除く): 1661884322

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 439, 461, 763, 878, 922, 1526, 3073, 3227, 5341, 6146, 6454, 10682, 21511, 22589, 43022, 45178, 47851, 50249, 95702, 100498, 202379, 334957, 351743, 404758, 669914, 703486, 1416653, 2344699, 2462201, 2833306, 4689398, 4924402, 9916571, 19833142, 22059311, 44118622, 154415177, 308830354, 1080906239, 2161812478]

約数ペア:

[(1, 2161812478), (2, 1080906239), (7, 308830354), (14, 154415177), (49, 44118622), (98, 22059311), (109, 19833142), (218, 9916571), (439, 4924402), (461, 4689398), (763, 2833306), (878, 2462201), (922, 2344699), (1526, 1416653), (3073, 703486), (3227, 669914), (5341, 404758), (6146, 351743), (6454, 334957), (10682, 202379), (21511, 100498), (22589, 95702), (43022, 50249), (45178, 47851)]