489890744

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1553}}^1$

素因数の和:1740

約数の個数: 64

約数和(自身を含む): 1083075840

約数和(自身を除く): 593185096

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 131, 172, 262, 301, 344, 524, 602, 917, 1048, 1204, 1553, 1834, 2408, 3106, 3668, 5633, 6212, 7336, 10871, 11266, 12424, 21742, 22532, 39431, 43484, 45064, 66779, 78862, 86968, 133558, 157724, 203443, 267116, 315448, 406886, 467453, 534232, 813772, 934906, 1424101, 1627544, 1869812, 2848202, 3739624, 5696404, 8748049, 11392808, 17496098, 34992196, 61236343, 69984392, 122472686, 244945372, 489890744]

約数ペア:

[(1, 489890744), (2, 244945372), (4, 122472686), (7, 69984392), (8, 61236343), (14, 34992196), (28, 17496098), (43, 11392808), (56, 8748049), (86, 5696404), (131, 3739624), (172, 2848202), (262, 1869812), (301, 1627544), (344, 1424101), (524, 934906), (602, 813772), (917, 534232), (1048, 467453), (1204, 406886), (1553, 315448), (1834, 267116), (2408, 203443), (3106, 157724), (3668, 133558), (5633, 86968), (6212, 78862), (7336, 66779), (10871, 45064), (11266, 43484), (12424, 39431), (21742, 22532)]