321947696

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{21943}}^1$

素因数の和:22089

約数の個数: 40

約数和(自身を含む): 718358784

約数和(自身を除く): 396411088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 21943, 43886, 87772, 153601, 175544, 307202, 351088, 614404, 1228808, 2457616, 2874533, 5749066, 11498132, 20121731, 22996264, 40243462, 45992528, 80486924, 160973848, 321947696]

約数ペア:

[(1, 321947696), (2, 160973848), (4, 80486924), (7, 45992528), (8, 40243462), (14, 22996264), (16, 20121731), (28, 11498132), (56, 5749066), (112, 2874533), (131, 2457616), (262, 1228808), (524, 614404), (917, 351088), (1048, 307202), (1834, 175544), (2096, 153601), (3668, 87772), (7336, 43886), (14672, 21943)]