80778901

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 99532800

約数和(自身を除く): 18753899

約数列:

[1, 7, 31, 49, 71, 107, 217, 343, 497, 749, 1519, 2201, 3317, 3479, 5243, 7597, 10633, 15407, 23219, 24353, 36701, 53179, 107849, 162533, 235507, 372253, 754943, 1137731, 1648549, 2605771, 11539843, 80778901]

約数ペア:

[(1, 80778901), (7, 11539843), (31, 2605771), (49, 1648549), (71, 1137731), (107, 754943), (217, 372253), (343, 235507), (497, 162533), (749, 107849), (1519, 53179), (2201, 36701), (3317, 24353), (3479, 23219), (5243, 15407), (7597, 10633)]