81632778

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{4561}}^1$

素因数の和:4742

約数の個数: 32

約数和(自身を含む): 172991040

約数和(自身を除く): 91358262

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 157, 314, 471, 942, 2983, 4561, 5966, 8949, 9122, 13683, 17898, 27366, 86659, 173318, 259977, 519954, 716077, 1432154, 2148231, 4296462, 13605463, 27210926, 40816389, 81632778]

約数ペア:

[(1, 81632778), (2, 40816389), (3, 27210926), (6, 13605463), (19, 4296462), (38, 2148231), (57, 1432154), (114, 716077), (157, 519954), (314, 259977), (471, 173318), (942, 86659), (2983, 27366), (4561, 17898), (5966, 13683), (8949, 9122)]