221205488

素因数分解:

$2^4\times 7^1\times {\mathrm{1975049}}^1$

素因数の和:1975064

約数の個数: 20

約数和(自身を含む): 489812400

約数和(自身を除く): 268606912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1975049, 3950098, 7900196, 13825343, 15800392, 27650686, 31600784, 55301372, 110602744, 221205488]

約数ペア:

[(1, 221205488), (2, 110602744), (4, 55301372), (7, 31600784), (8, 27650686), (14, 15800392), (16, 13825343), (28, 7900196), (56, 3950098), (112, 1975049)]