1296473984

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{779131}}^1$

素因数の和:779158

約数の個数: 32

約数和(自身を含む): 2781501240

約数和(自身を除く): 1485027256

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 779131, 1558262, 3116524, 6233048, 10128703, 12466096, 20257406, 24932192, 40514812, 49864384, 81029624, 99728768, 162059248, 324118496, 648236992, 1296473984]

約数ペア:

[(1, 1296473984), (2, 648236992), (4, 324118496), (8, 162059248), (13, 99728768), (16, 81029624), (26, 49864384), (32, 40514812), (52, 24932192), (64, 20257406), (104, 12466096), (128, 10128703), (208, 6233048), (416, 3116524), (832, 1558262), (1664, 779131)]