69913025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 108326400

約数和(自身を除く): 38413375

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 175, 325, 389, 395, 455, 553, 1027, 1945, 1975, 2275, 2723, 2765, 5057, 5135, 7189, 9725, 13615, 13825, 25285, 25675, 30731, 35399, 35945, 68075, 126425, 153655, 176995, 179725, 215117, 399503, 768275, 884975, 1075585, 1997515, 2796521, 5377925, 9987575, 13982605, 69913025]

約数ペア:

[(1, 69913025), (5, 13982605), (7, 9987575), (13, 5377925), (25, 2796521), (35, 1997515), (65, 1075585), (79, 884975), (91, 768275), (175, 399503), (325, 215117), (389, 179725), (395, 176995), (455, 153655), (553, 126425), (1027, 68075), (1945, 35945), (1975, 35399), (2275, 30731), (2723, 25675), (2765, 25285), (5057, 13825), (5135, 13615), (7189, 9725)]