26779025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 41664000

約数和(自身を除く): 14884975

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 149, 175, 325, 395, 455, 553, 745, 1027, 1043, 1937, 1975, 2275, 2765, 3725, 5135, 5215, 7189, 9685, 11771, 13559, 13825, 25675, 26075, 35945, 48425, 58855, 67795, 82397, 153023, 179725, 294275, 338975, 411985, 765115, 1071161, 2059925, 3825575, 5355805, 26779025]

約数ペア:

[(1, 26779025), (5, 5355805), (7, 3825575), (13, 2059925), (25, 1071161), (35, 765115), (65, 411985), (79, 338975), (91, 294275), (149, 179725), (175, 153023), (325, 82397), (395, 67795), (455, 58855), (553, 48425), (745, 35945), (1027, 26075), (1043, 25675), (1937, 13825), (1975, 13559), (2275, 11771), (2765, 9685), (3725, 7189), (5135, 5215)]