80978798

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{1901}}^1$

素因数の和:2000

約数の個数: 24

約数和(自身を含む): 130439160

約数和(自身を除く): 49460362

約数列:

[1, 2, 19, 38, 59, 118, 361, 722, 1121, 1901, 2242, 3802, 21299, 36119, 42598, 72238, 112159, 224318, 686261, 1372522, 2131021, 4262042, 40489399, 80978798]

約数ペア:

[(1, 80978798), (2, 40489399), (19, 4262042), (38, 2131021), (59, 1372522), (118, 686261), (361, 224318), (722, 112159), (1121, 72238), (1901, 42598), (2242, 36119), (3802, 21299)]