670071376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3221497}}^1$

素因数の和:3221518

約数の個数: 20

約数和(自身を含む): 1398130132

約数和(自身を除く): 728058756

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3221497, 6442994, 12885988, 25771976, 41879461, 51543952, 83758922, 167517844, 335035688, 670071376]

約数ペア:

[(1, 670071376), (2, 335035688), (4, 167517844), (8, 83758922), (13, 51543952), (16, 41879461), (26, 25771976), (52, 12885988), (104, 6442994), (208, 3221497)]