254215388

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109387}}^1$

素因数の和:109481

約数の個数: 24

約数和(自身を含む): 514561152

約数和(自身を除く): 260345764

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 109387, 218774, 437548, 765709, 1531418, 3062836, 9079121, 18158242, 36316484, 63553847, 127107694, 254215388]

約数ペア:

[(1, 254215388), (2, 127107694), (4, 63553847), (7, 36316484), (14, 18158242), (28, 9079121), (83, 3062836), (166, 1531418), (332, 765709), (581, 437548), (1162, 218774), (2324, 109387)]