13877885

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 20563200

約数和(自身を除く): 6685315

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 509, 665, 779, 1435, 2545, 3563, 3895, 5453, 9671, 17815, 20869, 27265, 48355, 67697, 104345, 146083, 338485, 396511, 730415, 1982555, 2775577, 13877885]

約数ペア:

[(1, 13877885), (5, 2775577), (7, 1982555), (19, 730415), (35, 396511), (41, 338485), (95, 146083), (133, 104345), (205, 67697), (287, 48355), (509, 27265), (665, 20869), (779, 17815), (1435, 9671), (2545, 5453), (3563, 3895)]