40478854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 69914880

約数和(自身を除く): 29436026

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 247, 494, 871, 1223, 1273, 1742, 2446, 2546, 15899, 16549, 23237, 31798, 33098, 46474, 81941, 163882, 302081, 604162, 1065233, 1556879, 2130466, 3113758, 20239427, 40478854]

約数ペア:

[(1, 40478854), (2, 20239427), (13, 3113758), (19, 2130466), (26, 1556879), (38, 1065233), (67, 604162), (134, 302081), (247, 163882), (494, 81941), (871, 46474), (1223, 33098), (1273, 31798), (1742, 23237), (2446, 16549), (2546, 15899)]