156730864

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{238919}}^1$

素因数の和:238968

約数の個数: 20

約数和(自身を含む): 311073840

約数和(自身を除く): 154342976

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 238919, 477838, 955676, 1911352, 3822704, 9795679, 19591358, 39182716, 78365432, 156730864]

約数ペア:

[(1, 156730864), (2, 78365432), (4, 39182716), (8, 19591358), (16, 9795679), (41, 3822704), (82, 1911352), (164, 955676), (328, 477838), (656, 238919)]