81816516

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{10771}}^1$

素因数の和:10992

約数の個数: 36

約数和(自身を含む): 207813424

約数和(自身を除く): 125996908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 3798, 7596, 10771, 21542, 32313, 43084, 64626, 96939, 129252, 193878, 387756, 2272681, 4545362, 6818043, 9090724, 13636086, 20454129, 27272172, 40908258, 81816516]

約数ペア:

[(1, 81816516), (2, 40908258), (3, 27272172), (4, 20454129), (6, 13636086), (9, 9090724), (12, 6818043), (18, 4545362), (36, 2272681), (211, 387756), (422, 193878), (633, 129252), (844, 96939), (1266, 64626), (1899, 43084), (2532, 32313), (3798, 21542), (7596, 10771)]