40390693

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 47174400

約数和(自身を除く): 6783707

約数列:

[1, 7, 71, 181, 449, 497, 1267, 3143, 12851, 31879, 81269, 89957, 223153, 568883, 5770099, 40390693]

約数ペア:

[(1, 40390693), (7, 5770099), (71, 568883), (181, 223153), (449, 89957), (497, 81269), (1267, 31879), (3143, 12851)]