26580028

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 47401200

約数和(自身を除く): 20821172

約数列:

[1, 2, 4, 89, 178, 197, 356, 379, 394, 758, 788, 1516, 17533, 33731, 35066, 67462, 70132, 74663, 134924, 149326, 298652, 6645007, 13290014, 26580028]

約数ペア:

[(1, 26580028), (2, 13290014), (4, 6645007), (89, 298652), (178, 149326), (197, 134924), (356, 74663), (379, 70132), (394, 67462), (758, 35066), (788, 33731), (1516, 17533)]