138446315

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 204871680

約数和(自身を除く): 66425365

約数列:

[1, 5, 7, 23, 35, 49, 79, 115, 161, 245, 311, 395, 553, 805, 1127, 1555, 1817, 2177, 2765, 3871, 5635, 7153, 9085, 10885, 12719, 15239, 19355, 24569, 35765, 50071, 63595, 76195, 89033, 122845, 171983, 250355, 350497, 445165, 565087, 859915, 1203881, 1752485, 2825435, 3955609, 6019405, 19778045, 27689263, 138446315]

約数ペア:

[(1, 138446315), (5, 27689263), (7, 19778045), (23, 6019405), (35, 3955609), (49, 2825435), (79, 1752485), (115, 1203881), (161, 859915), (245, 565087), (311, 445165), (395, 350497), (553, 250355), (805, 171983), (1127, 122845), (1555, 89033), (1817, 76195), (2177, 63595), (2765, 50071), (3871, 35765), (5635, 24569), (7153, 19355), (9085, 15239), (10885, 12719)]