209519225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:3001

約数の個数: 24

約数和(自身を含む): 269982720

約数和(自身を除く): 60463495

約数列:

[1, 5, 25, 41, 71, 205, 355, 1025, 1775, 2879, 2911, 14395, 14555, 71975, 72775, 118039, 204409, 590195, 1022045, 2950975, 5110225, 8380769, 41903845, 209519225]

約数ペア:

[(1, 209519225), (5, 41903845), (25, 8380769), (41, 5110225), (71, 2950975), (205, 1022045), (355, 590195), (1025, 204409), (1775, 118039), (2879, 72775), (2911, 71975), (14395, 14555)]