201217430

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{226087}}^1$

素因数の和:226183

約数の個数: 16

約数和(自身を含む): 366262560

約数和(自身を除く): 165045130

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 226087, 452174, 1130435, 2260870, 20121743, 40243486, 100608715, 201217430]

約数ペア:

[(1, 201217430), (2, 100608715), (5, 40243486), (10, 20121743), (89, 2260870), (178, 1130435), (445, 452174), (890, 226087)]