256987108

素因数分解:

$2^2\times 7^1\times {\mathrm{1619}}^1\times {\mathrm{5669}}^1$

素因数の和:7299

約数の個数: 24

約数和(自身を含む): 514382400

約数和(自身を除く): 257395292

約数列:

[1, 2, 4, 7, 14, 28, 1619, 3238, 5669, 6476, 11333, 11338, 22666, 22676, 39683, 45332, 79366, 158732, 9178111, 18356222, 36712444, 64246777, 128493554, 256987108]

約数ペア:

[(1, 256987108), (2, 128493554), (4, 64246777), (7, 36712444), (14, 18356222), (28, 9178111), (1619, 158732), (3238, 79366), (5669, 45332), (6476, 39683), (11333, 22676), (11338, 22666)]