81855436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 162993600

約数和(自身を除く): 81138164

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 89, 92, 178, 299, 356, 598, 769, 1157, 1196, 1538, 2047, 2314, 3076, 4094, 4628, 8188, 9997, 17687, 19994, 26611, 35374, 39988, 53222, 68441, 70748, 106444, 136882, 229931, 273764, 459862, 889733, 919724, 1574143, 1779466, 3148286, 3558932, 6296572, 20463859, 40927718, 81855436]

約数ペア:

[(1, 81855436), (2, 40927718), (4, 20463859), (13, 6296572), (23, 3558932), (26, 3148286), (46, 1779466), (52, 1574143), (89, 919724), (92, 889733), (178, 459862), (299, 273764), (356, 229931), (598, 136882), (769, 106444), (1157, 70748), (1196, 68441), (1538, 53222), (2047, 39988), (2314, 35374), (3076, 26611), (4094, 19994), (4628, 17687), (8188, 9997)]