78470275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2909}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 106086960

約数和(自身を除く): 27616685

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1079, 2075, 2909, 5395, 14545, 26975, 37817, 72725, 189085, 241447, 945425, 1207235, 3138811, 6036175, 15694055, 78470275]

約数ペア:

[(1, 78470275), (5, 15694055), (13, 6036175), (25, 3138811), (65, 1207235), (83, 945425), (325, 241447), (415, 189085), (1079, 72725), (2075, 37817), (2909, 26975), (5395, 14545)]