81295252

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 144726120

約数和(自身を除く): 63430868

約数列:

[1, 2, 4, 109, 137, 218, 274, 436, 548, 1361, 2722, 5444, 14933, 29866, 59732, 148349, 186457, 296698, 372914, 593396, 745828, 20323813, 40647626, 81295252]

約数ペア:

[(1, 81295252), (2, 40647626), (4, 20323813), (109, 745828), (137, 593396), (218, 372914), (274, 296698), (436, 186457), (548, 148349), (1361, 59732), (2722, 29866), (5444, 14933)]