51637456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{248257}}^1$

素因数の和:248278

約数の個数: 20

約数和(自身を含む): 107743972

約数和(自身を除く): 56106516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 248257, 496514, 993028, 1986056, 3227341, 3972112, 6454682, 12909364, 25818728, 51637456]

約数ペア:

[(1, 51637456), (2, 25818728), (4, 12909364), (8, 6454682), (13, 3972112), (16, 3227341), (26, 1986056), (52, 993028), (104, 496514), (208, 248257)]