7994740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 18324432

約数和(自身を除く): 10329692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 317, 388, 485, 634, 970, 1261, 1268, 1585, 1940, 2522, 3170, 4121, 5044, 6305, 6340, 8242, 12610, 16484, 20605, 25220, 30749, 41210, 61498, 82420, 122996, 153745, 307490, 399737, 614980, 799474, 1598948, 1998685, 3997370, 7994740]

約数ペア:

[(1, 7994740), (2, 3997370), (4, 1998685), (5, 1598948), (10, 799474), (13, 614980), (20, 399737), (26, 307490), (52, 153745), (65, 122996), (97, 82420), (130, 61498), (194, 41210), (260, 30749), (317, 25220), (388, 20605), (485, 16484), (634, 12610), (970, 8242), (1261, 6340), (1268, 6305), (1585, 5044), (1940, 4121), (2522, 3170)]