220149215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 326579904

約数和(自身を除く): 106430689

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 121, 143, 253, 299, 605, 715, 1217, 1265, 1495, 1573, 2783, 3289, 6085, 7865, 13387, 13915, 15821, 16445, 27991, 36179, 66935, 79105, 139955, 147257, 174031, 180895, 307901, 363883, 736285, 870155, 1539505, 1819415, 1914341, 3386911, 4002713, 9571705, 16934555, 20013565, 44029843, 220149215]

約数ペア:

[(1, 220149215), (5, 44029843), (11, 20013565), (13, 16934555), (23, 9571705), (55, 4002713), (65, 3386911), (115, 1914341), (121, 1819415), (143, 1539505), (253, 870155), (299, 736285), (605, 363883), (715, 307901), (1217, 180895), (1265, 174031), (1495, 147257), (1573, 139955), (2783, 79105), (3289, 66935), (6085, 36179), (7865, 27991), (13387, 16445), (13915, 15821)]