1986875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:65

約数の個数: 30

約数和(自身を含む): 2877204

約数和(自身を除く): 890329

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 289, 425, 625, 935, 1375, 1445, 2125, 3179, 4675, 6875, 7225, 10625, 15895, 23375, 36125, 79475, 116875, 180625, 397375, 1986875]

約数ペア:

[(1, 1986875), (5, 397375), (11, 180625), (17, 116875), (25, 79475), (55, 36125), (85, 23375), (125, 15895), (187, 10625), (275, 7225), (289, 6875), (425, 4675), (625, 3179), (935, 2125), (1375, 1445)]