28357644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{769}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 75891200

約数和(自身を除く): 47533556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 439, 769, 878, 1317, 1538, 1756, 2307, 2634, 3073, 3076, 4614, 5268, 5383, 6146, 9219, 9228, 10766, 12292, 16149, 18438, 21532, 32298, 36876, 64596, 337591, 675182, 1012773, 1350364, 2025546, 2363137, 4051092, 4726274, 7089411, 9452548, 14178822, 28357644]

約数ペア:

[(1, 28357644), (2, 14178822), (3, 9452548), (4, 7089411), (6, 4726274), (7, 4051092), (12, 2363137), (14, 2025546), (21, 1350364), (28, 1012773), (42, 675182), (84, 337591), (439, 64596), (769, 36876), (878, 32298), (1317, 21532), (1538, 18438), (1756, 16149), (2307, 12292), (2634, 10766), (3073, 9228), (3076, 9219), (4614, 6146), (5268, 5383)]