2638844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 5136768

約数和(自身を除く): 2497924

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 1637, 3274, 6548, 21281, 42562, 50747, 85124, 101494, 202988, 659711, 1319422, 2638844]

約数ペア:

[(1, 2638844), (2, 1319422), (4, 659711), (13, 202988), (26, 101494), (31, 85124), (52, 50747), (62, 42562), (124, 21281), (403, 6548), (806, 3274), (1612, 1637)]