8616025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 13124160

約数和(自身を除く): 4508135

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 97, 187, 209, 275, 323, 425, 475, 485, 935, 1045, 1067, 1615, 1649, 1843, 2425, 3553, 4675, 5225, 5335, 8075, 8245, 9215, 17765, 18139, 20273, 26675, 31331, 41225, 46075, 88825, 90695, 101365, 156655, 344641, 453475, 506825, 783275, 1723205, 8616025]

約数ペア:

[(1, 8616025), (5, 1723205), (11, 783275), (17, 506825), (19, 453475), (25, 344641), (55, 156655), (85, 101365), (95, 90695), (97, 88825), (187, 46075), (209, 41225), (275, 31331), (323, 26675), (425, 20273), (475, 18139), (485, 17765), (935, 9215), (1045, 8245), (1067, 8075), (1615, 5335), (1649, 5225), (1843, 4675), (2425, 3553)]