68978988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{147391}}^1$

素因数の和:147414

約数の個数: 36

約数和(自身を含む): 187777408

約数和(自身を除く): 118798420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 147391, 294782, 442173, 589564, 884346, 1326519, 1768692, 1916083, 2653038, 3832166, 5306076, 5748249, 7664332, 11496498, 17244747, 22992996, 34489494, 68978988]

約数ペア:

[(1, 68978988), (2, 34489494), (3, 22992996), (4, 17244747), (6, 11496498), (9, 7664332), (12, 5748249), (13, 5306076), (18, 3832166), (26, 2653038), (36, 1916083), (39, 1768692), (52, 1326519), (78, 884346), (117, 589564), (156, 442173), (234, 294782), (468, 147391)]