131347456

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 88

約数和(自身を含む): 284614880

約数和(自身を除く): 153267424

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 157, 172, 256, 304, 314, 344, 512, 608, 628, 688, 817, 1024, 1216, 1256, 1376, 1634, 2432, 2512, 2752, 2983, 3268, 4864, 5024, 5504, 5966, 6536, 6751, 9728, 10048, 11008, 11932, 13072, 13502, 19456, 20096, 22016, 23864, 26144, 27004, 40192, 44032, 47728, 52288, 54008, 80384, 95456, 104576, 108016, 128269, 160768, 190912, 209152, 216032, 256538, 381824, 418304, 432064, 513076, 763648, 836608, 864128, 1026152, 1527296, 1728256, 2052304, 3054592, 3456512, 4104608, 6913024, 8209216, 16418432, 32836864, 65673728, 131347456]

約数ペア:

[(1, 131347456), (2, 65673728), (4, 32836864), (8, 16418432), (16, 8209216), (19, 6913024), (32, 4104608), (38, 3456512), (43, 3054592), (64, 2052304), (76, 1728256), (86, 1527296), (128, 1026152), (152, 864128), (157, 836608), (172, 763648), (256, 513076), (304, 432064), (314, 418304), (344, 381824), (512, 256538), (608, 216032), (628, 209152), (688, 190912), (817, 160768), (1024, 128269), (1216, 108016), (1256, 104576), (1376, 95456), (1634, 80384), (2432, 54008), (2512, 52288), (2752, 47728), (2983, 44032), (3268, 40192), (4864, 27004), (5024, 26144), (5504, 23864), (5966, 22016), (6536, 20096), (6751, 19456), (9728, 13502), (10048, 13072), (11008, 11932)]