13321928

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 12338872

約数列:

[1, 2, 4, 8, 79, 107, 158, 197, 214, 316, 394, 428, 632, 788, 856, 1576, 8453, 15563, 16906, 21079, 31126, 33812, 42158, 62252, 67624, 84316, 124504, 168632, 1665241, 3330482, 6660964, 13321928]

約数ペア:

[(1, 13321928), (2, 6660964), (4, 3330482), (8, 1665241), (79, 168632), (107, 124504), (158, 84316), (197, 67624), (214, 62252), (316, 42158), (394, 33812), (428, 31126), (632, 21079), (788, 16906), (856, 15563), (1576, 8453)]