405839588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21601}}^1$

素因数の和:21684

約数の個数: 48

約数和(自身を含む): 900025728

約数和(自身を除く): 494186140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1342, 1708, 2684, 4697, 9394, 18788, 21601, 43202, 86404, 151207, 237611, 302414, 475222, 604828, 950444, 1317661, 1663277, 2635322, 3326554, 5270644, 6653108, 9223627, 14494271, 18447254, 28988542, 36894508, 57977084, 101459897, 202919794, 405839588]

約数ペア:

[(1, 405839588), (2, 202919794), (4, 101459897), (7, 57977084), (11, 36894508), (14, 28988542), (22, 18447254), (28, 14494271), (44, 9223627), (61, 6653108), (77, 5270644), (122, 3326554), (154, 2635322), (244, 1663277), (308, 1317661), (427, 950444), (671, 604828), (854, 475222), (1342, 302414), (1708, 237611), (2684, 151207), (4697, 86404), (9394, 43202), (18788, 21601)]