664602625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2027}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 863051904

約数和(自身を除く): 198449279

約数列:

[1, 5, 25, 43, 61, 125, 215, 305, 1075, 1525, 2027, 2623, 5375, 7625, 10135, 13115, 50675, 65575, 87161, 123647, 253375, 327875, 435805, 618235, 2179025, 3091175, 5316821, 10895125, 15455875, 26584105, 132920525, 664602625]

約数ペア:

[(1, 664602625), (5, 132920525), (25, 26584105), (43, 15455875), (61, 10895125), (125, 5316821), (215, 3091175), (305, 2179025), (1075, 618235), (1525, 435805), (2027, 327875), (2623, 253375), (5375, 123647), (7625, 87161), (10135, 65575), (13115, 50675)]