1290200704

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{775361}}^1$

素因数の和:775388

約数の個数: 32

約数和(自身を含む): 2768042340

約数和(自身を除く): 1477841636

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 775361, 1550722, 3101444, 6202888, 10079693, 12405776, 20159386, 24811552, 40318772, 49623104, 80637544, 99246208, 161275088, 322550176, 645100352, 1290200704]

約数ペア:

[(1, 1290200704), (2, 645100352), (4, 322550176), (8, 161275088), (13, 99246208), (16, 80637544), (26, 49623104), (32, 40318772), (52, 24811552), (64, 20159386), (104, 12405776), (128, 10079693), (208, 6202888), (416, 3101444), (832, 1550722), (1664, 775361)]