203969984

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:733

約数の個数: 56

約数和(自身を含む): 417960048

約数和(自身を除く): 213990064

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 137, 172, 274, 344, 541, 548, 688, 1082, 1096, 1376, 2164, 2192, 2752, 4328, 4384, 5891, 8656, 8768, 11782, 17312, 23263, 23564, 34624, 46526, 47128, 74117, 93052, 94256, 148234, 186104, 188512, 296468, 372208, 377024, 592936, 744416, 1185872, 1488832, 2371744, 3187031, 4743488, 6374062, 12748124, 25496248, 50992496, 101984992, 203969984]

約数ペア:

[(1, 203969984), (2, 101984992), (4, 50992496), (8, 25496248), (16, 12748124), (32, 6374062), (43, 4743488), (64, 3187031), (86, 2371744), (137, 1488832), (172, 1185872), (274, 744416), (344, 592936), (541, 377024), (548, 372208), (688, 296468), (1082, 188512), (1096, 186104), (1376, 148234), (2164, 94256), (2192, 93052), (2752, 74117), (4328, 47128), (4384, 46526), (5891, 34624), (8656, 23564), (8768, 23263), (11782, 17312)]