81301922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 139708800

約数和(自身を除く): 58406878

約数列:

[1, 2, 13, 17, 26, 34, 221, 419, 439, 442, 838, 878, 5447, 5707, 7123, 7463, 10894, 11414, 14246, 14926, 92599, 97019, 183941, 185198, 194038, 367882, 2391233, 3126997, 4782466, 6253994, 40650961, 81301922]

約数ペア:

[(1, 81301922), (2, 40650961), (13, 6253994), (17, 4782466), (26, 3126997), (34, 2391233), (221, 367882), (419, 194038), (439, 185198), (442, 183941), (838, 97019), (878, 92599), (5447, 14926), (5707, 14246), (7123, 11414), (7463, 10894)]