1971567125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21401}}^1$

素因数の和:21494

約数の個数: 32

約数和(自身を含む): 2724388992

約数和(自身を除く): 752821867

約数列:

[1, 5, 11, 25, 55, 67, 125, 275, 335, 737, 1375, 1675, 3685, 8375, 18425, 21401, 92125, 107005, 235411, 535025, 1177055, 1433867, 2675125, 5885275, 7169335, 15772537, 29426375, 35846675, 78862685, 179233375, 394313425, 1971567125]

約数ペア:

[(1, 1971567125), (5, 394313425), (11, 179233375), (25, 78862685), (55, 35846675), (67, 29426375), (125, 15772537), (275, 7169335), (335, 5885275), (737, 2675125), (1375, 1433867), (1675, 1177055), (3685, 535025), (8375, 235411), (18425, 107005), (21401, 92125)]