17143225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 25980480

約数和(自身を除く): 8837255

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 187, 193, 209, 275, 323, 425, 475, 935, 965, 1045, 1615, 2123, 3281, 3553, 3667, 4675, 4825, 5225, 8075, 10615, 16405, 17765, 18335, 36091, 40337, 53075, 62339, 82025, 88825, 91675, 180455, 201685, 311695, 685729, 902275, 1008425, 1558475, 3428645, 17143225]

約数ペア:

[(1, 17143225), (5, 3428645), (11, 1558475), (17, 1008425), (19, 902275), (25, 685729), (55, 311695), (85, 201685), (95, 180455), (187, 91675), (193, 88825), (209, 82025), (275, 62339), (323, 53075), (425, 40337), (475, 36091), (935, 18335), (965, 17765), (1045, 16405), (1615, 10615), (2123, 8075), (3281, 5225), (3553, 4825), (3667, 4675)]