643344

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1031}}^1$

素因数の和:1055

約数の個数: 40

約数和(自身を含む): 1791552

約数和(自身を除く): 1148208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1031, 2062, 3093, 4124, 6186, 8248, 12372, 13403, 16496, 24744, 26806, 40209, 49488, 53612, 80418, 107224, 160836, 214448, 321672, 643344]

約数ペア:

[(1, 643344), (2, 321672), (3, 214448), (4, 160836), (6, 107224), (8, 80418), (12, 53612), (13, 49488), (16, 40209), (24, 26806), (26, 24744), (39, 16496), (48, 13403), (52, 12372), (78, 8248), (104, 6186), (156, 4124), (208, 3093), (312, 2062), (624, 1031)]