413972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 823200

約数和(自身を除く): 409228

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 419, 494, 838, 988, 1676, 5447, 7961, 10894, 15922, 21788, 31844, 103493, 206986, 413972]

約数ペア:

[(1, 413972), (2, 206986), (4, 103493), (13, 31844), (19, 21788), (26, 15922), (38, 10894), (52, 7961), (76, 5447), (247, 1676), (419, 988), (494, 838)]