81068516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7159}}^1$

素因数の和:7331

約数の個数: 24

約数和(自身を含む): 150360000

約数和(自身を除く): 69291484

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 2831, 5662, 7159, 11324, 14318, 28636, 136021, 272042, 544084, 1066691, 2133382, 4266764, 20267129, 40534258, 81068516]

約数ペア:

[(1, 81068516), (2, 40534258), (4, 20267129), (19, 4266764), (38, 2133382), (76, 1066691), (149, 544084), (298, 272042), (596, 136021), (2831, 28636), (5662, 14318), (7159, 11324)]