13784225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 21581952

約数和(自身を除く): 7797727

約数列:

[1, 5, 7, 13, 25, 35, 65, 73, 83, 91, 175, 325, 365, 415, 455, 511, 581, 949, 1079, 1825, 2075, 2275, 2555, 2905, 4745, 5395, 6059, 6643, 7553, 12775, 14525, 23725, 26975, 30295, 33215, 37765, 42413, 78767, 151475, 166075, 188825, 212065, 393835, 551369, 1060325, 1969175, 2756845, 13784225]

約数ペア:

[(1, 13784225), (5, 2756845), (7, 1969175), (13, 1060325), (25, 551369), (35, 393835), (65, 212065), (73, 188825), (83, 166075), (91, 151475), (175, 78767), (325, 42413), (365, 37765), (415, 33215), (455, 30295), (511, 26975), (581, 23725), (949, 14525), (1079, 12775), (1825, 7553), (2075, 6643), (2275, 6059), (2555, 5395), (2905, 4745)]