28137904

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 55978560

約数和(自身を除く): 27840656

約数列:

[1, 2, 4, 8, 16, 79, 113, 158, 197, 226, 316, 394, 452, 632, 788, 904, 1264, 1576, 1808, 3152, 8927, 15563, 17854, 22261, 31126, 35708, 44522, 62252, 71416, 89044, 124504, 142832, 178088, 249008, 356176, 1758619, 3517238, 7034476, 14068952, 28137904]

約数ペア:

[(1, 28137904), (2, 14068952), (4, 7034476), (8, 3517238), (16, 1758619), (79, 356176), (113, 249008), (158, 178088), (197, 142832), (226, 124504), (316, 89044), (394, 71416), (452, 62252), (632, 44522), (788, 35708), (904, 31126), (1264, 22261), (1576, 17854), (1808, 15563), (3152, 8927)]