22265815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 33516000

約数和(自身を除く): 11250185

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 121, 143, 149, 209, 247, 605, 715, 745, 1045, 1235, 1573, 1639, 1937, 2299, 2717, 2831, 7865, 8195, 9685, 11495, 13585, 14155, 18029, 21307, 29887, 31141, 36803, 90145, 106535, 149435, 155705, 184015, 234377, 342551, 404833, 1171885, 1712755, 2024165, 4453163, 22265815]

約数ペア:

[(1, 22265815), (5, 4453163), (11, 2024165), (13, 1712755), (19, 1171885), (55, 404833), (65, 342551), (95, 234377), (121, 184015), (143, 155705), (149, 149435), (209, 106535), (247, 90145), (605, 36803), (715, 31141), (745, 29887), (1045, 21307), (1235, 18029), (1573, 14155), (1639, 13585), (1937, 11495), (2299, 9685), (2717, 8195), (2831, 7865)]