13265525

素因数分解:

$5^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:68

約数の個数: 60

約数和(自身を含む): 21881412

約数和(自身を除く): 8615887

約数列:

[1, 5, 7, 13, 17, 25, 35, 49, 65, 85, 91, 119, 175, 221, 245, 325, 343, 425, 455, 595, 637, 833, 1105, 1225, 1547, 1715, 2275, 2401, 2975, 3185, 4165, 4459, 5525, 5831, 7735, 8575, 10829, 12005, 15925, 20825, 22295, 29155, 31213, 38675, 40817, 54145, 60025, 75803, 111475, 145775, 156065, 204085, 270725, 379015, 530621, 780325, 1020425, 1895075, 2653105, 13265525]

約数ペア:

[(1, 13265525), (5, 2653105), (7, 1895075), (13, 1020425), (17, 780325), (25, 530621), (35, 379015), (49, 270725), (65, 204085), (85, 156065), (91, 145775), (119, 111475), (175, 75803), (221, 60025), (245, 54145), (325, 40817), (343, 38675), (425, 31213), (455, 29155), (595, 22295), (637, 20825), (833, 15925), (1105, 12005), (1225, 10829), (1547, 8575), (1715, 7735), (2275, 5831), (2401, 5525), (2975, 4459), (3185, 4165)]