56807128

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 128747520

約数和(自身を除く): 71940392

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 248, 301, 344, 434, 602, 761, 868, 1204, 1333, 1522, 1736, 2408, 2666, 3044, 5327, 5332, 6088, 9331, 10654, 10664, 18662, 21308, 23591, 32723, 37324, 42616, 47182, 65446, 74648, 94364, 130892, 165137, 188728, 229061, 261784, 330274, 458122, 660548, 916244, 1014413, 1321096, 1832488, 2028826, 4057652, 7100891, 8115304, 14201782, 28403564, 56807128]

約数ペア:

[(1, 56807128), (2, 28403564), (4, 14201782), (7, 8115304), (8, 7100891), (14, 4057652), (28, 2028826), (31, 1832488), (43, 1321096), (56, 1014413), (62, 916244), (86, 660548), (124, 458122), (172, 330274), (217, 261784), (248, 229061), (301, 188728), (344, 165137), (434, 130892), (602, 94364), (761, 74648), (868, 65446), (1204, 47182), (1333, 42616), (1522, 37324), (1736, 32723), (2408, 23591), (2666, 21308), (3044, 18662), (5327, 10664), (5332, 10654), (6088, 9331)]