394680906

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{308827}}^1$

素因数の和:308906

約数の個数: 24

約数和(自身を含む): 867189024

約数和(自身を除く): 472508118

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 308827, 617654, 926481, 1852962, 2779443, 5558886, 21926717, 43853434, 65780151, 131560302, 197340453, 394680906]

約数ペア:

[(1, 394680906), (2, 197340453), (3, 131560302), (6, 65780151), (9, 43853434), (18, 21926717), (71, 5558886), (142, 2779443), (213, 1852962), (426, 926481), (639, 617654), (1278, 308827)]