2191601665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{20743}}^1$

素因数の和:20889

約数の個数: 32

約数和(自身を含む): 3064801536

約数和(自身を除く): 873199871

約数列:

[1, 5, 11, 17, 55, 85, 113, 187, 565, 935, 1243, 1921, 6215, 9605, 20743, 21131, 103715, 105655, 228173, 352631, 1140865, 1763155, 2343959, 3878941, 11719795, 19394705, 25783549, 39847303, 128917745, 199236515, 438320333, 2191601665]

約数ペア:

[(1, 2191601665), (5, 438320333), (11, 199236515), (17, 128917745), (55, 39847303), (85, 25783549), (113, 19394705), (187, 11719795), (565, 3878941), (935, 2343959), (1243, 1763155), (1921, 1140865), (6215, 352631), (9605, 228173), (20743, 105655), (21131, 103715)]