78252265

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 119508480

約数和(自身を除く): 41256215

約数列:

[1, 5, 7, 13, 35, 49, 65, 79, 91, 245, 311, 395, 455, 553, 637, 1027, 1555, 2177, 2765, 3185, 3871, 4043, 5135, 7189, 10885, 15239, 19355, 20215, 24569, 28301, 35945, 50323, 76195, 122845, 141505, 171983, 198107, 251615, 319397, 859915, 990535, 1203881, 1596985, 2235779, 6019405, 11178895, 15650453, 78252265]

約数ペア:

[(1, 78252265), (5, 15650453), (7, 11178895), (13, 6019405), (35, 2235779), (49, 1596985), (65, 1203881), (79, 990535), (91, 859915), (245, 319397), (311, 251615), (395, 198107), (455, 171983), (553, 141505), (637, 122845), (1027, 76195), (1555, 50323), (2177, 35945), (2765, 28301), (3185, 24569), (3871, 20215), (4043, 19355), (5135, 15239), (7189, 10885)]