12847325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 18659520

約数和(自身を除く): 5812195

約数列:

[1, 5, 17, 19, 25, 37, 43, 85, 95, 185, 215, 323, 425, 475, 629, 703, 731, 817, 925, 1075, 1591, 1615, 3145, 3515, 3655, 4085, 7955, 8075, 11951, 13889, 15725, 17575, 18275, 20425, 27047, 30229, 39775, 59755, 69445, 135235, 151145, 298775, 347225, 513893, 676175, 755725, 2569465, 12847325]

約数ペア:

[(1, 12847325), (5, 2569465), (17, 755725), (19, 676175), (25, 513893), (37, 347225), (43, 298775), (85, 151145), (95, 135235), (185, 69445), (215, 59755), (323, 39775), (425, 30229), (475, 27047), (629, 20425), (703, 18275), (731, 17575), (817, 15725), (925, 13889), (1075, 11951), (1591, 8075), (1615, 7955), (3145, 4085), (3515, 3655)]