64678736

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1409}}^1$

素因数の和:1587

約数の個数: 40

約数和(自身を含む): 132878400

約数和(自身を除く): 68199664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 151, 152, 302, 304, 604, 1208, 1409, 2416, 2818, 2869, 5636, 5738, 11272, 11476, 22544, 22952, 26771, 45904, 53542, 107084, 212759, 214168, 425518, 428336, 851036, 1702072, 3404144, 4042421, 8084842, 16169684, 32339368, 64678736]

約数ペア:

[(1, 64678736), (2, 32339368), (4, 16169684), (8, 8084842), (16, 4042421), (19, 3404144), (38, 1702072), (76, 851036), (151, 428336), (152, 425518), (302, 214168), (304, 212759), (604, 107084), (1208, 53542), (1409, 45904), (2416, 26771), (2818, 22952), (2869, 22544), (5636, 11476), (5738, 11272)]