28555709

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1009}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 35293440

約数和(自身を除く): 6737731

約数列:

[1, 7, 13, 91, 311, 1009, 2177, 4043, 7063, 13117, 28301, 91819, 313799, 2196593, 4079387, 28555709]

約数ペア:

[(1, 28555709), (7, 4079387), (13, 2196593), (91, 313799), (311, 91819), (1009, 28301), (2177, 13117), (4043, 7063)]