865599488

素因数分解:

$2^{19}\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 1879046400

約数和(自身を除く): 1013446912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 416, 508, 512, 832, 1016, 1024, 1651, 1664, 2032, 2048, 3302, 3328, 4064, 4096, 6604, 6656, 8128, 8192, 13208, 13312, 16256, 16384, 26416, 26624, 32512, 32768, 52832, 53248, 65024, 65536, 105664, 106496, 130048, 131072, 211328, 212992, 260096, 262144, 422656, 425984, 520192, 524288, 845312, 851968, 1040384, 1690624, 1703936, 2080768, 3381248, 3407872, 4161536, 6762496, 6815744, 8323072, 13524992, 16646144, 27049984, 33292288, 54099968, 66584576, 108199936, 216399872, 432799744, 865599488]

約数ペア:

[(1, 865599488), (2, 432799744), (4, 216399872), (8, 108199936), (13, 66584576), (16, 54099968), (26, 33292288), (32, 27049984), (52, 16646144), (64, 13524992), (104, 8323072), (127, 6815744), (128, 6762496), (208, 4161536), (254, 3407872), (256, 3381248), (416, 2080768), (508, 1703936), (512, 1690624), (832, 1040384), (1016, 851968), (1024, 845312), (1651, 524288), (1664, 520192), (2032, 425984), (2048, 422656), (3302, 262144), (3328, 260096), (4064, 212992), (4096, 211328), (6604, 131072), (6656, 130048), (8128, 106496), (8192, 105664), (13208, 65536), (13312, 65024), (16256, 53248), (16384, 52832), (26416, 32768), (26624, 32512)]