212920975

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 269478288

約数和(自身を除く): 56557313

約数列:

[1, 5, 25, 67, 317, 335, 401, 1585, 1675, 2005, 7925, 10025, 21239, 26867, 106195, 127117, 134335, 530975, 635585, 671675, 3177925, 8516839, 42584195, 212920975]

約数ペア:

[(1, 212920975), (5, 42584195), (25, 8516839), (67, 3177925), (317, 671675), (335, 635585), (401, 530975), (1585, 134335), (1675, 127117), (2005, 106195), (7925, 26867), (10025, 21239)]