164343790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{4919}}^1$

素因数の和:5196

約数の個数: 32

約数和(自身を含む): 319878720

約数和(自身を除く): 155534930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1285, 2570, 3341, 4919, 6682, 9838, 16705, 24595, 33410, 49190, 63947, 127894, 319735, 639470, 1264183, 2528366, 6320915, 12641830, 16434379, 32868758, 82171895, 164343790]

約数ペア:

[(1, 164343790), (2, 82171895), (5, 32868758), (10, 16434379), (13, 12641830), (26, 6320915), (65, 2528366), (130, 1264183), (257, 639470), (514, 319735), (1285, 127894), (2570, 63947), (3341, 49190), (4919, 33410), (6682, 24595), (9838, 16705)]