22478885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 9575515

約数列:

[1, 5, 11, 13, 55, 65, 143, 149, 211, 715, 745, 1055, 1639, 1937, 2321, 2743, 8195, 9685, 11605, 13715, 21307, 30173, 31439, 106535, 150865, 157195, 345829, 408707, 1729145, 2043535, 4495777, 22478885]

約数ペア:

[(1, 22478885), (5, 4495777), (11, 2043535), (13, 1729145), (55, 408707), (65, 345829), (143, 157195), (149, 150865), (211, 106535), (715, 31439), (745, 30173), (1055, 21307), (1639, 13715), (1937, 11605), (2321, 9685), (2743, 8195)]