212591665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15649}}^1$

素因数の和:15697

約数の個数: 32

約数和(自身を含む): 315504000

約数和(自身を除く): 102912335

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 2717, 13585, 15649, 78245, 172139, 203437, 297331, 860695, 1017185, 1486655, 2237807, 3270641, 3865303, 11189035, 16353205, 19326515, 42518333, 212591665]

約数ペア:

[(1, 212591665), (5, 42518333), (11, 19326515), (13, 16353205), (19, 11189035), (55, 3865303), (65, 3270641), (95, 2237807), (143, 1486655), (209, 1017185), (247, 860695), (715, 297331), (1045, 203437), (1235, 172139), (2717, 78245), (13585, 15649)]