397874764

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{384049}}^1$

素因数の和:384097

約数の個数: 24

約数和(自身を含む): 817258400

約数和(自身を除く): 419383636

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 384049, 768098, 1536196, 2688343, 5376686, 10753372, 14209813, 28419626, 56839252, 99468691, 198937382, 397874764]

約数ペア:

[(1, 397874764), (2, 198937382), (4, 99468691), (7, 56839252), (14, 28419626), (28, 14209813), (37, 10753372), (74, 5376686), (148, 2688343), (259, 1536196), (518, 768098), (1036, 384049)]