72121684

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:828

約数の個数: 36

約数和(自身を含む): 135773820

約数和(自身を除く): 63652136

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 289, 356, 578, 701, 1156, 1402, 1513, 2804, 3026, 6052, 11917, 23834, 25721, 47668, 51442, 62389, 102884, 124778, 202589, 249556, 405178, 810356, 1060613, 2121226, 4242452, 18030421, 36060842, 72121684]

約数ペア:

[(1, 72121684), (2, 36060842), (4, 18030421), (17, 4242452), (34, 2121226), (68, 1060613), (89, 810356), (178, 405178), (289, 249556), (356, 202589), (578, 124778), (701, 102884), (1156, 62389), (1402, 51442), (1513, 47668), (2804, 25721), (3026, 23834), (6052, 11917)]