81929030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 150465600

約数和(自身を除く): 68536570

約数列:

[1, 2, 5, 10, 71, 142, 257, 355, 449, 514, 710, 898, 1285, 2245, 2570, 4490, 18247, 31879, 36494, 63758, 91235, 115393, 159395, 182470, 230786, 318790, 576965, 1153930, 8192903, 16385806, 40964515, 81929030]

約数ペア:

[(1, 81929030), (2, 40964515), (5, 16385806), (10, 8192903), (71, 1153930), (142, 576965), (257, 318790), (355, 230786), (449, 182470), (514, 159395), (710, 115393), (898, 91235), (1285, 63758), (2245, 36494), (2570, 31879), (4490, 18247)]