664352

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1620

約数の個数: 24

約数和(自身を含む): 1409436

約数和(自身を除く): 745084

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1597, 3194, 6388, 12776, 20761, 25552, 41522, 51104, 83044, 166088, 332176, 664352]

約数ペア:

[(1, 664352), (2, 332176), (4, 166088), (8, 83044), (13, 51104), (16, 41522), (26, 25552), (32, 20761), (52, 12776), (104, 6388), (208, 3194), (416, 1597)]