1320221644

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{645901}}^1$

素因数の和:645985

約数の個数: 24

約数和(自身を含む): 2676617888

約数和(自身を除く): 1356396244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 645901, 1291802, 2583604, 4521307, 9042614, 18085228, 47150773, 94301546, 188603092, 330055411, 660110822, 1320221644]

約数ペア:

[(1, 1320221644), (2, 660110822), (4, 330055411), (7, 188603092), (14, 94301546), (28, 47150773), (73, 18085228), (146, 9042614), (292, 4521307), (511, 2583604), (1022, 1291802), (2044, 645901)]