518877008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{80471}}^1$

素因数の和:80523

約数の個数: 40

約数和(自身を含む): 1117595136

約数和(自身を除く): 598718128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 80471, 160942, 321884, 643768, 1046123, 1287536, 2092246, 2494601, 4184492, 4989202, 8368984, 9978404, 16737968, 19956808, 32429813, 39913616, 64859626, 129719252, 259438504, 518877008]

約数ペア:

[(1, 518877008), (2, 259438504), (4, 129719252), (8, 64859626), (13, 39913616), (16, 32429813), (26, 19956808), (31, 16737968), (52, 9978404), (62, 8368984), (104, 4989202), (124, 4184492), (208, 2494601), (248, 2092246), (403, 1287536), (496, 1046123), (806, 643768), (1612, 321884), (3224, 160942), (6448, 80471)]