389675264

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2047

約数の個数: 72

約数和(自身を含む): 860932800

約数和(自身を除く): 471257536

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 176, 256, 284, 352, 568, 704, 781, 1136, 1408, 1562, 1949, 2272, 2816, 3124, 3898, 4544, 6248, 7796, 9088, 12496, 15592, 18176, 21439, 24992, 31184, 42878, 49984, 62368, 85756, 99968, 124736, 138379, 171512, 199936, 249472, 276758, 343024, 498944, 553516, 686048, 1107032, 1372096, 1522169, 2214064, 2744192, 3044338, 4428128, 5488384, 6088676, 8856256, 12177352, 17712512, 24354704, 35425024, 48709408, 97418816, 194837632, 389675264]

約数ペア:

[(1, 389675264), (2, 194837632), (4, 97418816), (8, 48709408), (11, 35425024), (16, 24354704), (22, 17712512), (32, 12177352), (44, 8856256), (64, 6088676), (71, 5488384), (88, 4428128), (128, 3044338), (142, 2744192), (176, 2214064), (256, 1522169), (284, 1372096), (352, 1107032), (568, 686048), (704, 553516), (781, 498944), (1136, 343024), (1408, 276758), (1562, 249472), (1949, 199936), (2272, 171512), (2816, 138379), (3124, 124736), (3898, 99968), (4544, 85756), (6248, 62368), (7796, 49984), (9088, 42878), (12496, 31184), (15592, 24992), (18176, 21439)]