208123775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{7309}}^1$

素因数の和:7403

約数の個数: 24

約数和(自身を含む): 277370640

約数和(自身を除く): 69246865

約数列:

[1, 5, 17, 25, 67, 85, 335, 425, 1139, 1675, 5695, 7309, 28475, 36545, 124253, 182725, 489703, 621265, 2448515, 3106325, 8324951, 12242575, 41624755, 208123775]

約数ペア:

[(1, 208123775), (5, 41624755), (17, 12242575), (25, 8324951), (67, 3106325), (85, 2448515), (335, 621265), (425, 489703), (1139, 182725), (1675, 124253), (5695, 36545), (7309, 28475)]