71644375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 103579344

約数和(自身を除く): 31934969

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 425, 613, 625, 935, 1375, 2125, 3065, 4675, 6743, 6875, 10421, 10625, 15325, 23375, 33715, 52105, 76625, 114631, 116875, 168575, 260525, 383125, 573155, 842875, 1302625, 2865775, 4214375, 6513125, 14328875, 71644375]

約数ペア:

[(1, 71644375), (5, 14328875), (11, 6513125), (17, 4214375), (25, 2865775), (55, 1302625), (85, 842875), (125, 573155), (187, 383125), (275, 260525), (425, 168575), (613, 116875), (625, 114631), (935, 76625), (1375, 52105), (2125, 33715), (3065, 23375), (4675, 15325), (6743, 10625), (6875, 10421)]