667776256

素因数分解:

$2^8\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 1589414400

約数和(自身を除く): 921638144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 79, 89, 106, 112, 128, 158, 178, 212, 224, 256, 316, 356, 371, 424, 448, 553, 623, 632, 712, 742, 848, 896, 1106, 1246, 1264, 1424, 1484, 1696, 1792, 2212, 2492, 2528, 2848, 2968, 3392, 4187, 4424, 4717, 4984, 5056, 5696, 5936, 6784, 7031, 8374, 8848, 9434, 9968, 10112, 11392, 11872, 13568, 14062, 16748, 17696, 18868, 19936, 20224, 22784, 23744, 28124, 29309, 33019, 33496, 35392, 37736, 39872, 47488, 49217, 56248, 58618, 66038, 66992, 70784, 75472, 79744, 94976, 98434, 112496, 117236, 132076, 133984, 141568, 150944, 159488, 196868, 224992, 234472, 264152, 267968, 301888, 372643, 393736, 449984, 468944, 528304, 535936, 603776, 745286, 787472, 899968, 937888, 1056608, 1071872, 1207552, 1490572, 1574944, 1799936, 1875776, 2113216, 2608501, 2981144, 3149888, 3751552, 4226432, 5217002, 5962288, 6299776, 7503104, 8452864, 10434004, 11924576, 12599552, 20868008, 23849152, 41736016, 47698304, 83472032, 95396608, 166944064, 333888128, 667776256]

約数ペア:

[(1, 667776256), (2, 333888128), (4, 166944064), (7, 95396608), (8, 83472032), (14, 47698304), (16, 41736016), (28, 23849152), (32, 20868008), (53, 12599552), (56, 11924576), (64, 10434004), (79, 8452864), (89, 7503104), (106, 6299776), (112, 5962288), (128, 5217002), (158, 4226432), (178, 3751552), (212, 3149888), (224, 2981144), (256, 2608501), (316, 2113216), (356, 1875776), (371, 1799936), (424, 1574944), (448, 1490572), (553, 1207552), (623, 1071872), (632, 1056608), (712, 937888), (742, 899968), (848, 787472), (896, 745286), (1106, 603776), (1246, 535936), (1264, 528304), (1424, 468944), (1484, 449984), (1696, 393736), (1792, 372643), (2212, 301888), (2492, 267968), (2528, 264152), (2848, 234472), (2968, 224992), (3392, 196868), (4187, 159488), (4424, 150944), (4717, 141568), (4984, 133984), (5056, 132076), (5696, 117236), (5936, 112496), (6784, 98434), (7031, 94976), (8374, 79744), (8848, 75472), (9434, 70784), (9968, 66992), (10112, 66038), (11392, 58618), (11872, 56248), (13568, 49217), (14062, 47488), (16748, 39872), (17696, 37736), (18868, 35392), (19936, 33496), (20224, 33019), (22784, 29309), (23744, 28124)]