87840268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7757}}^1$

素因数の和:7929

約数の個数: 24

約数和(自身を含む): 162918000

約数和(自身を除く): 75077732

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 2831, 5662, 7757, 11324, 15514, 31028, 147383, 294766, 589532, 1155793, 2311586, 4623172, 21960067, 43920134, 87840268]

約数ペア:

[(1, 87840268), (2, 43920134), (4, 21960067), (19, 4623172), (38, 2311586), (76, 1155793), (149, 589532), (298, 294766), (596, 147383), (2831, 31028), (5662, 15514), (7757, 11324)]