28203032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 63050400

約数和(自身を除く): 34847368

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 89, 104, 143, 178, 277, 286, 356, 554, 572, 712, 979, 1108, 1144, 1157, 1958, 2216, 2314, 3047, 3601, 3916, 4628, 6094, 7202, 7832, 9256, 12188, 12727, 14404, 24376, 24653, 25454, 28808, 39611, 49306, 50908, 79222, 98612, 101816, 158444, 197224, 271183, 316888, 320489, 542366, 640978, 1084732, 1281956, 2169464, 2563912, 3525379, 7050758, 14101516, 28203032]

約数ペア:

[(1, 28203032), (2, 14101516), (4, 7050758), (8, 3525379), (11, 2563912), (13, 2169464), (22, 1281956), (26, 1084732), (44, 640978), (52, 542366), (88, 320489), (89, 316888), (104, 271183), (143, 197224), (178, 158444), (277, 101816), (286, 98612), (356, 79222), (554, 50908), (572, 49306), (712, 39611), (979, 28808), (1108, 25454), (1144, 24653), (1157, 24376), (1958, 14404), (2216, 12727), (2314, 12188), (3047, 9256), (3601, 7832), (3916, 7202), (4628, 6094)]