87439216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{287629}}^1$

素因数の和:287656

約数の個数: 20

約数和(自身を含む): 178330600

約数和(自身を除く): 90891384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 287629, 575258, 1150516, 2301032, 4602064, 5464951, 10929902, 21859804, 43719608, 87439216]

約数ペア:

[(1, 87439216), (2, 43719608), (4, 21859804), (8, 10929902), (16, 5464951), (19, 4602064), (38, 2301032), (76, 1150516), (152, 575258), (304, 287629)]