28377712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{161237}}^1$

素因数の和:161256

約数の個数: 20

約数和(自身を含む): 59980536

約数和(自身を除く): 31602824

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 161237, 322474, 644948, 1289896, 1773607, 2579792, 3547214, 7094428, 14188856, 28377712]

約数ペア:

[(1, 28377712), (2, 14188856), (4, 7094428), (8, 3547214), (11, 2579792), (16, 1773607), (22, 1289896), (44, 644948), (88, 322474), (176, 161237)]