668877328

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{503}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 1535901696

約数和(自身を除く): 867024368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 383, 434, 496, 503, 766, 868, 1006, 1532, 1736, 2012, 2681, 3064, 3472, 3521, 4024, 5362, 6128, 7042, 8048, 10724, 11873, 14084, 15593, 21448, 23746, 28168, 31186, 42896, 47492, 56336, 62372, 83111, 94984, 109151, 124744, 166222, 189968, 192649, 218302, 249488, 332444, 385298, 436604, 664888, 770596, 873208, 1329776, 1348543, 1541192, 1746416, 2697086, 3082384, 5394172, 5972119, 10788344, 11944238, 21576688, 23888476, 41804833, 47776952, 83609666, 95553904, 167219332, 334438664, 668877328]

約数ペア:

[(1, 668877328), (2, 334438664), (4, 167219332), (7, 95553904), (8, 83609666), (14, 47776952), (16, 41804833), (28, 23888476), (31, 21576688), (56, 11944238), (62, 10788344), (112, 5972119), (124, 5394172), (217, 3082384), (248, 2697086), (383, 1746416), (434, 1541192), (496, 1348543), (503, 1329776), (766, 873208), (868, 770596), (1006, 664888), (1532, 436604), (1736, 385298), (2012, 332444), (2681, 249488), (3064, 218302), (3472, 192649), (3521, 189968), (4024, 166222), (5362, 124744), (6128, 109151), (7042, 94984), (8048, 83111), (10724, 62372), (11873, 56336), (14084, 47492), (15593, 42896), (21448, 31186), (23746, 28168)]