398045268

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{480731}}^1$

素因数の和:480764

約数の個数: 36

約数和(自身を含む): 1049918688

約数和(自身を除く): 651873420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 480731, 961462, 1442193, 1922924, 2884386, 4326579, 5768772, 8653158, 11056813, 17306316, 22113626, 33170439, 44227252, 66340878, 99511317, 132681756, 199022634, 398045268]

約数ペア:

[(1, 398045268), (2, 199022634), (3, 132681756), (4, 99511317), (6, 66340878), (9, 44227252), (12, 33170439), (18, 22113626), (23, 17306316), (36, 11056813), (46, 8653158), (69, 5768772), (92, 4326579), (138, 2884386), (207, 1922924), (276, 1442193), (414, 961462), (828, 480731)]