221567473712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1065228239}}^1$

素因数の和:1065228260

約数の個数: 20

約数和(自身を含む): 462309056160

約数和(自身を除く): 240741582448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1065228239, 2130456478, 4260912956, 8521825912, 13847967107, 17043651824, 27695934214, 55391868428, 110783736856, 221567473712]

約数ペア:

[(1, 221567473712), (2, 110783736856), (4, 55391868428), (8, 27695934214), (13, 17043651824), (16, 13847967107), (26, 8521825912), (52, 4260912956), (104, 2130456478), (208, 1065228239)]