156920225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81517}}^1$

素因数の和:81545

約数の個数: 24

約数和(自身を含む): 242597568

約数和(自身を除く): 85677343

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 81517, 407585, 570619, 896687, 2037925, 2853095, 4483435, 6276809, 14265475, 22417175, 31384045, 156920225]

約数ペア:

[(1, 156920225), (5, 31384045), (7, 22417175), (11, 14265475), (25, 6276809), (35, 4483435), (55, 2853095), (77, 2037925), (175, 896687), (275, 570619), (385, 407585), (1925, 81517)]