1806490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 3763584

約数和(自身を除く): 1957094

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 197, 262, 394, 655, 917, 985, 1310, 1379, 1834, 1970, 2758, 4585, 6895, 9170, 13790, 25807, 51614, 129035, 180649, 258070, 361298, 903245, 1806490]

約数ペア:

[(1, 1806490), (2, 903245), (5, 361298), (7, 258070), (10, 180649), (14, 129035), (35, 51614), (70, 25807), (131, 13790), (197, 9170), (262, 6895), (394, 4585), (655, 2758), (917, 1970), (985, 1834), (1310, 1379)]