209141854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{769}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 350935200

約数和(自身を除く): 141793346

約数列:

[1, 2, 17, 19, 34, 38, 323, 421, 646, 769, 842, 1538, 7157, 7999, 13073, 14314, 14611, 15998, 26146, 29222, 135983, 248387, 271966, 323749, 496774, 647498, 5503733, 6151231, 11007466, 12302462, 104570927, 209141854]

約数ペア:

[(1, 209141854), (2, 104570927), (17, 12302462), (19, 11007466), (34, 6151231), (38, 5503733), (323, 647498), (421, 496774), (646, 323749), (769, 271966), (842, 248387), (1538, 135983), (7157, 29222), (7999, 26146), (13073, 15998), (14314, 14611)]