77872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:196

約数の個数: 20

約数和(自身を含む): 156736

約数和(自身を除く): 78864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 1256, 2512, 4867, 9734, 19468, 38936, 77872]

約数ペア:

[(1, 77872), (2, 38936), (4, 19468), (8, 9734), (16, 4867), (31, 2512), (62, 1256), (124, 628), (157, 496), (248, 314)]