1281455

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 32

約数和(自身を含む): 1935360

約数和(自身を除く): 653905

約数列:

[1, 5, 7, 19, 35, 41, 47, 95, 133, 205, 235, 287, 329, 665, 779, 893, 1435, 1645, 1927, 3895, 4465, 5453, 6251, 9635, 13489, 27265, 31255, 36613, 67445, 183065, 256291, 1281455]

約数ペア:

[(1, 1281455), (5, 256291), (7, 183065), (19, 67445), (35, 36613), (41, 31255), (47, 27265), (95, 13489), (133, 9635), (205, 6251), (235, 5453), (287, 4465), (329, 3895), (665, 1927), (779, 1645), (893, 1435)]