990686972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{68023}}^1$

素因数の和:68369

約数の個数: 24

約数和(自身を含む): 1897053312

約数和(自身を除く): 906366340

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 3641, 7282, 14564, 68023, 136046, 272092, 748253, 1496506, 2993012, 22515613, 45031226, 90062452, 247671743, 495343486, 990686972]

約数ペア:

[(1, 990686972), (2, 495343486), (4, 247671743), (11, 90062452), (22, 45031226), (44, 22515613), (331, 2993012), (662, 1496506), (1324, 748253), (3641, 272092), (7282, 136046), (14564, 68023)]