13321256

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 27669600

約数和(自身を除く): 14348344

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 167, 169, 236, 334, 338, 472, 668, 676, 767, 1336, 1352, 1534, 2171, 3068, 4342, 6136, 8684, 9853, 9971, 17368, 19706, 19942, 28223, 39412, 39884, 56446, 78824, 79768, 112892, 128089, 225784, 256178, 512356, 1024712, 1665157, 3330314, 6660628, 13321256]

約数ペア:

[(1, 13321256), (2, 6660628), (4, 3330314), (8, 1665157), (13, 1024712), (26, 512356), (52, 256178), (59, 225784), (104, 128089), (118, 112892), (167, 79768), (169, 78824), (236, 56446), (334, 39884), (338, 39412), (472, 28223), (668, 19942), (676, 19706), (767, 17368), (1336, 9971), (1352, 9853), (1534, 8684), (2171, 6136), (3068, 4342)]