40028238

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{31321}}^1$

素因数の和:31400

約数の個数: 24

約数和(自身を含む): 87952176

約数和(自身を除く): 47923938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 31321, 62642, 93963, 187926, 281889, 563778, 2223791, 4447582, 6671373, 13342746, 20014119, 40028238]

約数ペア:

[(1, 40028238), (2, 20014119), (3, 13342746), (6, 6671373), (9, 4447582), (18, 2223791), (71, 563778), (142, 281889), (213, 187926), (426, 93963), (639, 62642), (1278, 31321)]