81661190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3631}}^1$

素因数の和:3824

約数の個数: 32

約数和(自身を含む): 159255936

約数和(自身を除く): 77594746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 3631, 4498, 7262, 11245, 18155, 22490, 36310, 47203, 94406, 236015, 472030, 628163, 1256326, 3140815, 6281630, 8166119, 16332238, 40830595, 81661190]

約数ペア:

[(1, 81661190), (2, 40830595), (5, 16332238), (10, 8166119), (13, 6281630), (26, 3140815), (65, 1256326), (130, 628163), (173, 472030), (346, 236015), (865, 94406), (1730, 47203), (2249, 36310), (3631, 22490), (4498, 18155), (7262, 11245)]