16905728

素因数分解:

$2^9\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 80

約数和(自身を含む): 39774240

約数和(自身を除く): 22868512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 89, 106, 112, 128, 178, 212, 224, 256, 356, 371, 424, 448, 512, 623, 712, 742, 848, 896, 1246, 1424, 1484, 1696, 1792, 2492, 2848, 2968, 3392, 3584, 4717, 4984, 5696, 5936, 6784, 9434, 9968, 11392, 11872, 13568, 18868, 19936, 22784, 23744, 27136, 33019, 37736, 39872, 45568, 47488, 66038, 75472, 79744, 94976, 132076, 150944, 159488, 189952, 264152, 301888, 318976, 528304, 603776, 1056608, 1207552, 2113216, 2415104, 4226432, 8452864, 16905728]

約数ペア:

[(1, 16905728), (2, 8452864), (4, 4226432), (7, 2415104), (8, 2113216), (14, 1207552), (16, 1056608), (28, 603776), (32, 528304), (53, 318976), (56, 301888), (64, 264152), (89, 189952), (106, 159488), (112, 150944), (128, 132076), (178, 94976), (212, 79744), (224, 75472), (256, 66038), (356, 47488), (371, 45568), (424, 39872), (448, 37736), (512, 33019), (623, 27136), (712, 23744), (742, 22784), (848, 19936), (896, 18868), (1246, 13568), (1424, 11872), (1484, 11392), (1696, 9968), (1792, 9434), (2492, 6784), (2848, 5936), (2968, 5696), (3392, 4984), (3584, 4717)]