81218964

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{32077}}^1$

素因数の和:32295

約数の個数: 24

約数和(自身を含む): 190415008

約数和(自身を除く): 109196044

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 32077, 64154, 96231, 128308, 192462, 384924, 6768247, 13536494, 20304741, 27072988, 40609482, 81218964]

約数ペア:

[(1, 81218964), (2, 40609482), (3, 27072988), (4, 20304741), (6, 13536494), (12, 6768247), (211, 384924), (422, 192462), (633, 128308), (844, 96231), (1266, 64154), (2532, 32077)]