28931875

素因数分解:

$5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 43860960

約数和(自身を除く): 14929085

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 175, 389, 425, 595, 625, 875, 1945, 2125, 2723, 2975, 4375, 6613, 9725, 10625, 13615, 14875, 33065, 46291, 48625, 68075, 74375, 165325, 231455, 243125, 340375, 826625, 1157275, 1701875, 4133125, 5786375, 28931875]

約数ペア:

[(1, 28931875), (5, 5786375), (7, 4133125), (17, 1701875), (25, 1157275), (35, 826625), (85, 340375), (119, 243125), (125, 231455), (175, 165325), (389, 74375), (425, 68075), (595, 48625), (625, 46291), (875, 33065), (1945, 14875), (2125, 13615), (2723, 10625), (2975, 9725), (4375, 6613)]