1640394

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 4163328

約数和(自身を除く): 2522934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 277, 282, 329, 423, 554, 658, 831, 846, 987, 1662, 1939, 1974, 2493, 2961, 3878, 4986, 5817, 5922, 11634, 13019, 17451, 26038, 34902, 39057, 78114, 91133, 117171, 182266, 234342, 273399, 546798, 820197, 1640394]

約数ペア:

[(1, 1640394), (2, 820197), (3, 546798), (6, 273399), (7, 234342), (9, 182266), (14, 117171), (18, 91133), (21, 78114), (42, 39057), (47, 34902), (63, 26038), (94, 17451), (126, 13019), (141, 11634), (277, 5922), (282, 5817), (329, 4986), (423, 3878), (554, 2961), (658, 2493), (831, 1974), (846, 1939), (987, 1662)]