168675025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 221821740

約数和(自身を除く): 53146715

約数列:

[1, 5, 25, 41, 43, 89, 205, 215, 445, 1025, 1075, 1763, 1849, 2225, 3649, 3827, 8815, 9245, 18245, 19135, 44075, 46225, 75809, 91225, 95675, 156907, 164561, 379045, 784535, 822805, 1895225, 3922675, 4114025, 6747001, 33735005, 168675025]

約数ペア:

[(1, 168675025), (5, 33735005), (25, 6747001), (41, 4114025), (43, 3922675), (89, 1895225), (205, 822805), (215, 784535), (445, 379045), (1025, 164561), (1075, 156907), (1763, 95675), (1849, 91225), (2225, 75809), (3649, 46225), (3827, 44075), (8815, 19135), (9245, 18245)]