281948156

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 589881600

約数和(自身を除く): 307933444

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 131, 139, 158, 196, 262, 278, 316, 524, 553, 556, 917, 973, 1106, 1834, 1946, 2212, 3668, 3871, 3892, 6419, 6811, 7742, 10349, 10981, 12838, 13622, 15484, 18209, 20698, 21962, 25676, 27244, 36418, 41396, 43924, 72443, 72836, 76867, 127463, 144886, 153734, 254926, 289772, 307468, 507101, 509852, 538069, 892241, 1014202, 1076138, 1438511, 1784482, 2028404, 2152276, 2877022, 3568964, 5754044, 10069577, 20139154, 40278308, 70487039, 140974078, 281948156]

約数ペア:

[(1, 281948156), (2, 140974078), (4, 70487039), (7, 40278308), (14, 20139154), (28, 10069577), (49, 5754044), (79, 3568964), (98, 2877022), (131, 2152276), (139, 2028404), (158, 1784482), (196, 1438511), (262, 1076138), (278, 1014202), (316, 892241), (524, 538069), (553, 509852), (556, 507101), (917, 307468), (973, 289772), (1106, 254926), (1834, 153734), (1946, 144886), (2212, 127463), (3668, 76867), (3871, 72836), (3892, 72443), (6419, 43924), (6811, 41396), (7742, 36418), (10349, 27244), (10981, 25676), (12838, 21962), (13622, 20698), (15484, 18209)]