212601925

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{23557}}^1$

素因数の和:23605

約数の個数: 18

約数和(自身を含む): 278243538

約数和(自身を除く): 65641613

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 23557, 117785, 447583, 588925, 2237915, 8504077, 11189575, 42520385, 212601925]

約数ペア:

[(1, 212601925), (5, 42520385), (19, 11189575), (25, 8504077), (95, 2237915), (361, 588925), (475, 447583), (1805, 117785), (9025, 23557)]