7981757

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 9911160

約数和(自身を除く): 1929403

約数列:

[1, 7, 29, 41, 49, 137, 203, 287, 959, 1189, 1421, 2009, 3973, 5617, 6713, 8323, 27811, 39319, 58261, 162893, 194677, 275233, 1140251, 7981757]

約数ペア:

[(1, 7981757), (7, 1140251), (29, 275233), (41, 194677), (49, 162893), (137, 58261), (203, 39319), (287, 27811), (959, 8323), (1189, 6713), (1421, 5617), (2009, 3973)]