66616375

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4007}}^1$

素因数の和:4048

約数の個数: 32

約数和(自身を含む): 100039680

約数和(自身を除く): 33423305

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 665, 875, 2375, 3325, 4007, 16625, 20035, 28049, 76133, 100175, 140245, 380665, 500875, 532931, 701225, 1903325, 2664655, 3506125, 9516625, 13323275, 66616375]

約数ペア:

[(1, 66616375), (5, 13323275), (7, 9516625), (19, 3506125), (25, 2664655), (35, 1903325), (95, 701225), (125, 532931), (133, 500875), (175, 380665), (475, 140245), (665, 100175), (875, 76133), (2375, 28049), (3325, 20035), (4007, 16625)]