12281555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 17599680

約数和(自身を除く): 5318125

約数列:

[1, 5, 11, 13, 55, 65, 89, 143, 193, 445, 715, 965, 979, 1157, 2123, 2509, 4895, 5785, 10615, 12545, 12727, 17177, 27599, 63635, 85885, 137995, 188947, 223301, 944735, 1116505, 2456311, 12281555]

約数ペア:

[(1, 12281555), (5, 2456311), (11, 1116505), (13, 944735), (55, 223301), (65, 188947), (89, 137995), (143, 85885), (193, 63635), (445, 27599), (715, 17177), (965, 12727), (979, 12545), (1157, 10615), (2123, 5785), (2509, 4895)]