258278019

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 373088256

約数和(自身を除く): 114810237

約数列:

[1, 3, 31, 37, 47, 93, 111, 141, 1147, 1457, 1597, 1739, 3441, 4371, 4791, 5217, 49507, 53909, 59089, 75059, 148521, 161727, 177267, 225177, 1831759, 2326829, 2777183, 5495277, 6980487, 8331549, 86092673, 258278019]

約数ペア:

[(1, 258278019), (3, 86092673), (31, 8331549), (37, 6980487), (47, 5495277), (93, 2777183), (111, 2326829), (141, 1831759), (1147, 225177), (1457, 177267), (1597, 161727), (1739, 148521), (3441, 75059), (4371, 59089), (4791, 53909), (5217, 49507)]