78881608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 168537600

約数和(自身を除く): 89655992

約数列:

[1, 2, 4, 8, 13, 26, 31, 43, 52, 62, 86, 104, 124, 172, 248, 344, 403, 559, 569, 806, 1118, 1138, 1333, 1612, 2236, 2276, 2666, 3224, 4472, 4552, 5332, 7397, 10664, 14794, 17329, 17639, 24467, 29588, 34658, 35278, 48934, 59176, 69316, 70556, 97868, 138632, 141112, 195736, 229307, 318071, 458614, 636142, 758477, 917228, 1272284, 1516954, 1834456, 2544568, 3033908, 6067816, 9860201, 19720402, 39440804, 78881608]

約数ペア:

[(1, 78881608), (2, 39440804), (4, 19720402), (8, 9860201), (13, 6067816), (26, 3033908), (31, 2544568), (43, 1834456), (52, 1516954), (62, 1272284), (86, 917228), (104, 758477), (124, 636142), (172, 458614), (248, 318071), (344, 229307), (403, 195736), (559, 141112), (569, 138632), (806, 97868), (1118, 70556), (1138, 69316), (1333, 59176), (1612, 48934), (2236, 35278), (2276, 34658), (2666, 29588), (3224, 24467), (4472, 17639), (4552, 17329), (5332, 14794), (7397, 10664)]