181402018

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 72

約数和(自身を含む): 343160064

約数和(自身を除く): 161758046

約数列:

[1, 2, 7, 14, 29, 31, 49, 58, 62, 71, 98, 142, 203, 217, 406, 434, 497, 841, 899, 994, 1421, 1519, 1682, 1798, 2059, 2201, 2842, 3038, 3479, 4118, 4402, 5887, 6293, 6958, 11774, 12586, 14413, 15407, 26071, 28826, 30814, 41209, 44051, 52142, 59711, 63829, 82418, 88102, 100891, 107849, 119422, 127658, 182497, 201782, 215698, 364994, 417977, 446803, 835954, 893606, 1277479, 1851041, 2554958, 2925839, 3127621, 3702082, 5851678, 6255242, 12957287, 25914574, 90701009, 181402018]

約数ペア:

[(1, 181402018), (2, 90701009), (7, 25914574), (14, 12957287), (29, 6255242), (31, 5851678), (49, 3702082), (58, 3127621), (62, 2925839), (71, 2554958), (98, 1851041), (142, 1277479), (203, 893606), (217, 835954), (406, 446803), (434, 417977), (497, 364994), (841, 215698), (899, 201782), (994, 182497), (1421, 127658), (1519, 119422), (1682, 107849), (1798, 100891), (2059, 88102), (2201, 82418), (2842, 63829), (3038, 59711), (3479, 52142), (4118, 44051), (4402, 41209), (5887, 30814), (6293, 28826), (6958, 26071), (11774, 15407), (12586, 14413)]