389621886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{31723}}^1$

素因数の和:31840

約数の個数: 32

約数和(自身を含む): 822286080

約数和(自身を除く): 432664194

約数列:

[1, 2, 3, 6, 23, 46, 69, 89, 138, 178, 267, 534, 2047, 4094, 6141, 12282, 31723, 63446, 95169, 190338, 729629, 1459258, 2188887, 2823347, 4377774, 5646694, 8470041, 16940082, 64936981, 129873962, 194810943, 389621886]

約数ペア:

[(1, 389621886), (2, 194810943), (3, 129873962), (6, 64936981), (23, 16940082), (46, 8470041), (69, 5646694), (89, 4377774), (138, 2823347), (178, 2188887), (267, 1459258), (534, 729629), (2047, 190338), (4094, 95169), (6141, 63446), (12282, 31723)]