28601216

素因数分解:

$2^7\times 7^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 65875680

約数和(自身を除く): 37274464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 224, 233, 274, 448, 466, 548, 896, 932, 959, 1096, 1631, 1864, 1918, 2192, 3262, 3728, 3836, 4384, 6524, 7456, 7672, 8768, 13048, 14912, 15344, 17536, 26096, 29824, 30688, 31921, 52192, 61376, 63842, 104384, 122752, 127684, 208768, 223447, 255368, 446894, 510736, 893788, 1021472, 1787576, 2042944, 3575152, 4085888, 7150304, 14300608, 28601216]

約数ペア:

[(1, 28601216), (2, 14300608), (4, 7150304), (7, 4085888), (8, 3575152), (14, 2042944), (16, 1787576), (28, 1021472), (32, 893788), (56, 510736), (64, 446894), (112, 255368), (128, 223447), (137, 208768), (224, 127684), (233, 122752), (274, 104384), (448, 63842), (466, 61376), (548, 52192), (896, 31921), (932, 30688), (959, 29824), (1096, 26096), (1631, 17536), (1864, 15344), (1918, 14912), (2192, 13048), (3262, 8768), (3728, 7672), (3836, 7456), (4384, 6524)]