1921915678739

素因数分解:

$7^1\times {\mathrm{853}}^1\times {\mathrm{1619}}^1\times {\mathrm{198811}}^1$

素因数の和:201290

約数の個数: 16

約数和(自身を含む): 2200419406080

約数和(自身を除く): 278503727341

約数列:

[1, 7, 853, 1619, 5971, 11333, 198811, 1381007, 1391677, 9667049, 169585783, 321875009, 1187100481, 2253125063, 274559382677, 1921915678739]

約数ペア:

[(1, 1921915678739), (7, 274559382677), (853, 2253125063), (1619, 1187100481), (5971, 321875009), (11333, 169585783), (198811, 9667049), (1381007, 1391677)]