13259155

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 20913984

約数和(自身を除く): 7654829

約数列:

[1, 5, 7, 13, 23, 35, 49, 65, 91, 115, 161, 181, 245, 299, 455, 637, 805, 905, 1127, 1267, 1495, 2093, 2353, 3185, 4163, 5635, 6335, 8869, 10465, 11765, 14651, 16471, 20815, 29141, 44345, 54119, 73255, 82355, 115297, 145705, 203987, 270595, 378833, 576485, 1019935, 1894165, 2651831, 13259155]

約数ペア:

[(1, 13259155), (5, 2651831), (7, 1894165), (13, 1019935), (23, 576485), (35, 378833), (49, 270595), (65, 203987), (91, 145705), (115, 115297), (161, 82355), (181, 73255), (245, 54119), (299, 44345), (455, 29141), (637, 20815), (805, 16471), (905, 14651), (1127, 11765), (1267, 10465), (1495, 8869), (2093, 6335), (2353, 5635), (3185, 4163)]