689038728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{12391}}^1$

素因数の和:12738

約数の個数: 64

約数和(自身を含む): 1974789120

約数和(自身を除く): 1285750392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 331, 662, 993, 1324, 1986, 2317, 2648, 3972, 4634, 6951, 7944, 9268, 12391, 13902, 18536, 24782, 27804, 37173, 49564, 55608, 74346, 86737, 99128, 148692, 173474, 260211, 297384, 346948, 520422, 693896, 1040844, 2081688, 4101421, 8202842, 12304263, 16405684, 24608526, 28709947, 32811368, 49217052, 57419894, 86129841, 98434104, 114839788, 172259682, 229679576, 344519364, 689038728]

約数ペア:

[(1, 689038728), (2, 344519364), (3, 229679576), (4, 172259682), (6, 114839788), (7, 98434104), (8, 86129841), (12, 57419894), (14, 49217052), (21, 32811368), (24, 28709947), (28, 24608526), (42, 16405684), (56, 12304263), (84, 8202842), (168, 4101421), (331, 2081688), (662, 1040844), (993, 693896), (1324, 520422), (1986, 346948), (2317, 297384), (2648, 260211), (3972, 173474), (4634, 148692), (6951, 99128), (7944, 86737), (9268, 74346), (12391, 55608), (13902, 49564), (18536, 37173), (24782, 27804)]