203420004487

素因数分解:

$7^2\times {\mathrm{137}}^1\times {\mathrm{571}}^1\times {\mathrm{53069}}^1$

素因数の和:53791

約数の個数: 24

約数和(自身を含む): 238780610640

約数和(自身を除く): 35360606153

約数列:

[1, 7, 49, 137, 571, 959, 3997, 6713, 27979, 53069, 78227, 371483, 547589, 2600381, 3833123, 7270453, 30302399, 50893171, 212116793, 356252197, 1484817551, 4151428663, 29060000641, 203420004487]

約数ペア:

[(1, 203420004487), (7, 29060000641), (49, 4151428663), (137, 1484817551), (571, 356252197), (959, 212116793), (3997, 50893171), (6713, 30302399), (27979, 7270453), (53069, 3833123), (78227, 2600381), (371483, 547589)]