12842635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 17498880

約数和(自身を除く): 4656245

約数列:

[1, 5, 13, 41, 61, 65, 79, 205, 305, 395, 533, 793, 1027, 2501, 2665, 3239, 3965, 4819, 5135, 12505, 16195, 24095, 32513, 42107, 62647, 162565, 197579, 210535, 313235, 987895, 2568527, 12842635]

約数ペア:

[(1, 12842635), (5, 2568527), (13, 987895), (41, 313235), (61, 210535), (65, 197579), (79, 162565), (205, 62647), (305, 42107), (395, 32513), (533, 24095), (793, 16195), (1027, 12505), (2501, 5135), (2665, 4819), (3239, 3965)]