221548400645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{309857903}}^1$

素因数の和:309857932

約数の個数: 16

約数和(自身を含む): 312336767232

約数和(自身を除く): 90788366587

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 309857903, 1549289515, 3408436933, 4028152739, 17042184665, 20140763695, 44309680129, 221548400645]

約数ペア:

[(1, 221548400645), (5, 44309680129), (11, 20140763695), (13, 17042184665), (55, 4028152739), (65, 3408436933), (143, 1549289515), (715, 309857903)]