68704324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 133802928

約数和(自身を除く): 65098604

約数列:

[1, 2, 4, 13, 26, 52, 53, 97, 106, 194, 212, 257, 388, 514, 689, 1028, 1261, 1378, 2522, 2756, 3341, 5044, 5141, 6682, 10282, 13364, 13621, 20564, 24929, 27242, 49858, 54484, 66833, 99716, 133666, 177073, 267332, 324077, 354146, 648154, 708292, 1296308, 1321237, 2642474, 5284948, 17176081, 34352162, 68704324]

約数ペア:

[(1, 68704324), (2, 34352162), (4, 17176081), (13, 5284948), (26, 2642474), (52, 1321237), (53, 1296308), (97, 708292), (106, 648154), (194, 354146), (212, 324077), (257, 267332), (388, 177073), (514, 133666), (689, 99716), (1028, 66833), (1261, 54484), (1378, 49858), (2522, 27242), (2756, 24929), (3341, 20564), (5044, 13621), (5141, 13364), (6682, 10282)]