1289741488

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{118717}}^1$

素因数の和:118829

約数の個数: 40

約数和(自身を含む): 2885322272

約数和(自身を除く): 1595580784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 118717, 237434, 474868, 831019, 949736, 1662038, 1899472, 3324076, 6648152, 11515549, 13296304, 23031098, 46062196, 80608843, 92124392, 161217686, 184248784, 322435372, 644870744, 1289741488]

約数ペア:

[(1, 1289741488), (2, 644870744), (4, 322435372), (7, 184248784), (8, 161217686), (14, 92124392), (16, 80608843), (28, 46062196), (56, 23031098), (97, 13296304), (112, 11515549), (194, 6648152), (388, 3324076), (679, 1899472), (776, 1662038), (1358, 949736), (1552, 831019), (2716, 474868), (5432, 237434), (10864, 118717)]