221428655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{372149}}^1$

素因数の和:372178

約数の個数: 16

約数和(自身を含む): 321537600

約数和(自身を除く): 100108945

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 372149, 1860745, 2605043, 6326533, 13025215, 31632665, 44285731, 221428655]

約数ペア:

[(1, 221428655), (5, 44285731), (7, 31632665), (17, 13025215), (35, 6326533), (85, 2605043), (119, 1860745), (595, 372149)]