13921028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 28957824

約数和(自身を除く): 15036796

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 374, 407, 503, 629, 748, 814, 1006, 1258, 1628, 2012, 2516, 5533, 6919, 8551, 11066, 13838, 17102, 18611, 22132, 27676, 34204, 37222, 74444, 94061, 188122, 204721, 316387, 376244, 409442, 632774, 818884, 1265548, 3480257, 6960514, 13921028]

約数ペア:

[(1, 13921028), (2, 6960514), (4, 3480257), (11, 1265548), (17, 818884), (22, 632774), (34, 409442), (37, 376244), (44, 316387), (68, 204721), (74, 188122), (148, 94061), (187, 74444), (374, 37222), (407, 34204), (503, 27676), (629, 22132), (748, 18611), (814, 17102), (1006, 13838), (1258, 11066), (1628, 8551), (2012, 6919), (2516, 5533)]