161291270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{18143}}^1$

素因数の和:18284

約数の個数: 32

約数和(自身を含む): 334430208

約数和(自身を除く): 173138938

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 18143, 36286, 90715, 127001, 181430, 254002, 635005, 1270010, 2304161, 4608322, 11520805, 16129127, 23041610, 32258254, 80645635, 161291270]

約数ペア:

[(1, 161291270), (2, 80645635), (5, 32258254), (7, 23041610), (10, 16129127), (14, 11520805), (35, 4608322), (70, 2304161), (127, 1270010), (254, 635005), (635, 254002), (889, 181430), (1270, 127001), (1778, 90715), (4445, 36286), (8890, 18143)]