644965804

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{3253}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 1321488448

約数和(自身を除く): 676522644

約数列:

[1, 2, 4, 7, 14, 28, 73, 97, 146, 194, 292, 388, 511, 679, 1022, 1358, 2044, 2716, 3253, 6506, 7081, 13012, 14162, 22771, 28324, 45542, 49567, 91084, 99134, 198268, 237469, 315541, 474938, 631082, 949876, 1262164, 1662283, 2208787, 3324566, 4417574, 6649132, 8835148, 23034493, 46068986, 92137972, 161241451, 322482902, 644965804]

約数ペア:

[(1, 644965804), (2, 322482902), (4, 161241451), (7, 92137972), (14, 46068986), (28, 23034493), (73, 8835148), (97, 6649132), (146, 4417574), (194, 3324566), (292, 2208787), (388, 1662283), (511, 1262164), (679, 949876), (1022, 631082), (1358, 474938), (2044, 315541), (2716, 237469), (3253, 198268), (6506, 99134), (7081, 91084), (13012, 49567), (14162, 45542), (22771, 28324)]