257088408

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{41681}}^1$

素因数の和:41947

約数の個数: 32

約数和(自身を含む): 645237360

約数和(自身を除く): 388148952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 6168, 41681, 83362, 125043, 166724, 250086, 333448, 500172, 1000344, 10712017, 21424034, 32136051, 42848068, 64272102, 85696136, 128544204, 257088408]

約数ペア:

[(1, 257088408), (2, 128544204), (3, 85696136), (4, 64272102), (6, 42848068), (8, 32136051), (12, 21424034), (24, 10712017), (257, 1000344), (514, 500172), (771, 333448), (1028, 250086), (1542, 166724), (2056, 125043), (3084, 83362), (6168, 41681)]