201664138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{17749}}^1$

素因数の和:17806

約数の個数: 32

約数和(自身を含む): 357840000

約数和(自身を除く): 156175862

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 5681, 11362, 17749, 35498, 230737, 337231, 408227, 461474, 674462, 816454, 4384003, 5306951, 7756313, 8768006, 10613902, 15512626, 100832069, 201664138]

約数ペア:

[(1, 201664138), (2, 100832069), (13, 15512626), (19, 10613902), (23, 8768006), (26, 7756313), (38, 5306951), (46, 4384003), (247, 816454), (299, 674462), (437, 461474), (494, 408227), (598, 337231), (874, 230737), (5681, 35498), (11362, 17749)]