251163147

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{463}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 365854720

約数和(自身を除く): 114691573

約数列:

[1, 3, 19, 31, 57, 93, 307, 463, 589, 921, 1389, 1767, 5833, 8797, 9517, 14353, 17499, 26391, 28551, 43059, 142141, 180823, 272707, 426423, 542469, 818121, 2700679, 4406371, 8102037, 13219113, 83721049, 251163147]

約数ペア:

[(1, 251163147), (3, 83721049), (19, 13219113), (31, 8102037), (57, 4406371), (93, 2700679), (307, 818121), (463, 542469), (589, 426423), (921, 272707), (1389, 180823), (1767, 142141), (5833, 43059), (8797, 28551), (9517, 26391), (14353, 17499)]