1978591872

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1098

約数の個数: 128

約数和(自身を含む): 5438183040

約数和(自身を除く): 3459591168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 157, 192, 222, 296, 314, 384, 444, 471, 592, 628, 887, 888, 942, 1184, 1256, 1774, 1776, 1884, 2368, 2512, 2661, 3548, 3552, 3768, 4736, 5024, 5322, 5809, 7096, 7104, 7536, 10048, 10644, 11618, 14192, 14208, 15072, 17427, 20096, 21288, 23236, 28384, 30144, 32819, 34854, 42576, 46472, 56768, 60288, 65638, 69708, 85152, 92944, 98457, 113536, 131276, 139259, 139416, 170304, 185888, 196914, 262552, 278518, 278832, 340608, 371776, 393828, 417777, 525104, 557036, 557664, 743552, 787656, 835554, 1050208, 1114072, 1115328, 1575312, 1671108, 2100416, 2228144, 2230656, 3150624, 3342216, 4200832, 4456288, 5152583, 6301248, 6684432, 8912576, 10305166, 12602496, 13368864, 15457749, 17825152, 20610332, 26737728, 30915498, 41220664, 53475456, 61830996, 82441328, 123661992, 164882656, 247323984, 329765312, 494647968, 659530624, 989295936, 1978591872]

約数ペア:

[(1, 1978591872), (2, 989295936), (3, 659530624), (4, 494647968), (6, 329765312), (8, 247323984), (12, 164882656), (16, 123661992), (24, 82441328), (32, 61830996), (37, 53475456), (48, 41220664), (64, 30915498), (74, 26737728), (96, 20610332), (111, 17825152), (128, 15457749), (148, 13368864), (157, 12602496), (192, 10305166), (222, 8912576), (296, 6684432), (314, 6301248), (384, 5152583), (444, 4456288), (471, 4200832), (592, 3342216), (628, 3150624), (887, 2230656), (888, 2228144), (942, 2100416), (1184, 1671108), (1256, 1575312), (1774, 1115328), (1776, 1114072), (1884, 1050208), (2368, 835554), (2512, 787656), (2661, 743552), (3548, 557664), (3552, 557036), (3768, 525104), (4736, 417777), (5024, 393828), (5322, 371776), (5809, 340608), (7096, 278832), (7104, 278518), (7536, 262552), (10048, 196914), (10644, 185888), (11618, 170304), (14192, 139416), (14208, 139259), (15072, 131276), (17427, 113536), (20096, 98457), (21288, 92944), (23236, 85152), (28384, 69708), (30144, 65638), (32819, 60288), (34854, 56768), (42576, 46472)]