1978435872

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31657}}^1$

素因数の和:31711

約数の個数: 144

約数和(自身を含む): 6637542912

約数和(自身を除く): 4659107040

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 72, 84, 93, 96, 112, 124, 126, 144, 168, 186, 217, 224, 248, 252, 279, 288, 336, 372, 434, 496, 504, 558, 651, 672, 744, 868, 992, 1008, 1116, 1302, 1488, 1736, 1953, 2016, 2232, 2604, 2976, 3472, 3906, 4464, 5208, 6944, 7812, 8928, 10416, 15624, 20832, 31248, 31657, 62496, 63314, 94971, 126628, 189942, 221599, 253256, 284913, 379884, 443198, 506512, 569826, 664797, 759768, 886396, 981367, 1013024, 1139652, 1329594, 1519536, 1772792, 1962734, 1994391, 2279304, 2659188, 2944101, 3039072, 3545584, 3925468, 3988782, 4558608, 5318376, 5888202, 6869569, 7091168, 7850936, 7977564, 8832303, 9117216, 10636752, 11776404, 13739138, 15701872, 15955128, 17664606, 20608707, 21273504, 23552808, 27478276, 31403744, 31910256, 35329212, 41217414, 47105616, 54956552, 61826121, 63820512, 70658424, 82434828, 94211232, 109913104, 123652242, 141316848, 164869656, 219826208, 247304484, 282633696, 329739312, 494608968, 659478624, 989217936, 1978435872]

約数ペア:

[(1, 1978435872), (2, 989217936), (3, 659478624), (4, 494608968), (6, 329739312), (7, 282633696), (8, 247304484), (9, 219826208), (12, 164869656), (14, 141316848), (16, 123652242), (18, 109913104), (21, 94211232), (24, 82434828), (28, 70658424), (31, 63820512), (32, 61826121), (36, 54956552), (42, 47105616), (48, 41217414), (56, 35329212), (62, 31910256), (63, 31403744), (72, 27478276), (84, 23552808), (93, 21273504), (96, 20608707), (112, 17664606), (124, 15955128), (126, 15701872), (144, 13739138), (168, 11776404), (186, 10636752), (217, 9117216), (224, 8832303), (248, 7977564), (252, 7850936), (279, 7091168), (288, 6869569), (336, 5888202), (372, 5318376), (434, 4558608), (496, 3988782), (504, 3925468), (558, 3545584), (651, 3039072), (672, 2944101), (744, 2659188), (868, 2279304), (992, 1994391), (1008, 1962734), (1116, 1772792), (1302, 1519536), (1488, 1329594), (1736, 1139652), (1953, 1013024), (2016, 981367), (2232, 886396), (2604, 759768), (2976, 664797), (3472, 569826), (3906, 506512), (4464, 443198), (5208, 379884), (6944, 284913), (7812, 253256), (8928, 221599), (10416, 189942), (15624, 126628), (20832, 94971), (31248, 63314), (31657, 62496)]