221738215

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1\times {\mathrm{577}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 268839360

約数和(自身を除く): 47101145

約数列:

[1, 5, 151, 509, 577, 755, 2545, 2885, 76859, 87127, 293693, 384295, 435635, 1468465, 44347643, 221738215]

約数ペア:

[(1, 221738215), (5, 44347643), (151, 1468465), (509, 435635), (577, 384295), (755, 293693), (2545, 87127), (2885, 76859)]