389478366

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{40903}}^1$

素因数の和:40957

約数の個数: 36

約数和(自身を含む): 882176568

約数和(自身を除く): 492698202

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 3174, 4761, 9522, 40903, 81806, 122709, 245418, 368127, 736254, 940769, 1881538, 2822307, 5644614, 8466921, 16933842, 21637687, 43275374, 64913061, 129826122, 194739183, 389478366]

約数ペア:

[(1, 389478366), (2, 194739183), (3, 129826122), (6, 64913061), (9, 43275374), (18, 21637687), (23, 16933842), (46, 8466921), (69, 5644614), (138, 2822307), (207, 1881538), (414, 940769), (529, 736254), (1058, 368127), (1587, 245418), (3174, 122709), (4761, 81806), (9522, 40903)]