340527404

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{18973}}^1$

素因数の和:19625

約数の個数: 24

約数和(自身を含む): 682153248

約数和(自身を除く): 341625844

約数列:

[1, 2, 4, 7, 14, 28, 641, 1282, 2564, 4487, 8974, 17948, 18973, 37946, 75892, 132811, 265622, 531244, 12161693, 24323386, 48646772, 85131851, 170263702, 340527404]

約数ペア:

[(1, 340527404), (2, 170263702), (4, 85131851), (7, 48646772), (14, 24323386), (28, 12161693), (641, 531244), (1282, 265622), (2564, 132811), (4487, 75892), (8974, 37946), (17948, 18973)]