13389985

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 20224512

約数和(自身を除く): 6834527

約数列:

[1, 5, 7, 31, 35, 41, 43, 49, 155, 205, 215, 217, 245, 287, 301, 1085, 1271, 1333, 1435, 1505, 1519, 1763, 2009, 2107, 6355, 6665, 7595, 8815, 8897, 9331, 10045, 10535, 12341, 44485, 46655, 54653, 61705, 62279, 65317, 86387, 273265, 311395, 326585, 382571, 431935, 1912855, 2677997, 13389985]

約数ペア:

[(1, 13389985), (5, 2677997), (7, 1912855), (31, 431935), (35, 382571), (41, 326585), (43, 311395), (49, 273265), (155, 86387), (205, 65317), (215, 62279), (217, 61705), (245, 54653), (287, 46655), (301, 44485), (1085, 12341), (1271, 10535), (1333, 10045), (1435, 9331), (1505, 8897), (1519, 8815), (1763, 7595), (2009, 6665), (2107, 6355)]