221049505

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1\times {\mathrm{907}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 269349120

約数和(自身を除く): 48299615

約数列:

[1, 5, 79, 395, 617, 907, 3085, 4535, 48743, 71653, 243715, 358265, 559619, 2798095, 44209901, 221049505]

約数ペア:

[(1, 221049505), (5, 44209901), (79, 2798095), (395, 559619), (617, 358265), (907, 243715), (3085, 71653), (4535, 48743)]