221260156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{21599}}^1$

素因数の和:21813

約数の個数: 24

約数和(自身を含む): 419126400

約数和(自身を除く): 197866244

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 10244, 21599, 43198, 86396, 280787, 561574, 1123148, 4255003, 8510006, 17020012, 55315039, 110630078, 221260156]

約数ペア:

[(1, 221260156), (2, 110630078), (4, 55315039), (13, 17020012), (26, 8510006), (52, 4255003), (197, 1123148), (394, 561574), (788, 280787), (2561, 86396), (5122, 43198), (10244, 21599)]