261783808

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7151}}^1$

素因数の和:7191

約数の個数: 72

約数和(自身を含む): 613984896

約数和(自身を除く): 352201088

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 286, 352, 416, 572, 704, 832, 1144, 1408, 1664, 2288, 2816, 3328, 4576, 7151, 9152, 14302, 18304, 28604, 36608, 57208, 78661, 92963, 114416, 157322, 185926, 228832, 314644, 371852, 457664, 629288, 743704, 915328, 1022593, 1258576, 1487408, 1830656, 2045186, 2517152, 2974816, 4090372, 5034304, 5949632, 8180744, 10068608, 11899264, 16361488, 20137216, 23798528, 32722976, 65445952, 130891904, 261783808]

約数ペア:

[(1, 261783808), (2, 130891904), (4, 65445952), (8, 32722976), (11, 23798528), (13, 20137216), (16, 16361488), (22, 11899264), (26, 10068608), (32, 8180744), (44, 5949632), (52, 5034304), (64, 4090372), (88, 2974816), (104, 2517152), (128, 2045186), (143, 1830656), (176, 1487408), (208, 1258576), (256, 1022593), (286, 915328), (352, 743704), (416, 629288), (572, 457664), (704, 371852), (832, 314644), (1144, 228832), (1408, 185926), (1664, 157322), (2288, 114416), (2816, 92963), (3328, 78661), (4576, 57208), (7151, 36608), (9152, 28604), (14302, 18304)]