408885191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 514812672

約数和(自身を除く): 105927481

約数列:

[1, 11, 13, 23, 73, 131, 143, 169, 253, 299, 803, 949, 1441, 1679, 1703, 1859, 3013, 3289, 3887, 9563, 10439, 12337, 18469, 18733, 21827, 22139, 33143, 39169, 42757, 105193, 124319, 135707, 219949, 240097, 243529, 283751, 430859, 509197, 1367509, 1616147, 2419439, 2859337, 3121261, 5601167, 17777617, 31452707, 37171381, 408885191]

約数ペア:

[(1, 408885191), (11, 37171381), (13, 31452707), (23, 17777617), (73, 5601167), (131, 3121261), (143, 2859337), (169, 2419439), (253, 1616147), (299, 1367509), (803, 509197), (949, 430859), (1441, 283751), (1679, 243529), (1703, 240097), (1859, 219949), (3013, 135707), (3289, 124319), (3887, 105193), (9563, 42757), (10439, 39169), (12337, 33143), (18469, 22139), (18733, 21827)]