221350376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{25643}}^1$

素因数の和:25745

約数の個数: 32

約数和(自身を含む): 452360160

約数和(自身を除く): 231009784

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 4316, 8632, 25643, 51286, 102572, 205144, 333359, 666718, 1333436, 2128369, 2666872, 4256738, 8513476, 17026952, 27668797, 55337594, 110675188, 221350376]

約数ペア:

[(1, 221350376), (2, 110675188), (4, 55337594), (8, 27668797), (13, 17026952), (26, 8513476), (52, 4256738), (83, 2666872), (104, 2128369), (166, 1333436), (332, 666718), (664, 333359), (1079, 205144), (2158, 102572), (4316, 51286), (8632, 25643)]