65303375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 87609600

約数和(自身を除く): 22306225

約数列:

[1, 5, 17, 25, 79, 85, 125, 389, 395, 425, 1343, 1945, 1975, 2125, 6613, 6715, 9725, 9875, 30731, 33065, 33575, 48625, 153655, 165325, 167875, 522427, 768275, 826625, 2612135, 3841375, 13060675, 65303375]

約数ペア:

[(1, 65303375), (5, 13060675), (17, 3841375), (25, 2612135), (79, 826625), (85, 768275), (125, 522427), (389, 167875), (395, 165325), (425, 153655), (1343, 48625), (1945, 33575), (1975, 33065), (2125, 30731), (6613, 9875), (6715, 9725)]