1272935536

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{1867}}^1$

素因数の和:2909

約数の個数: 40

約数和(自身を含む): 2527568384

約数和(自身を除く): 1254632848

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 991, 1867, 1982, 3734, 3964, 7468, 7928, 14936, 15856, 29872, 42613, 80281, 85226, 160562, 170452, 321124, 340904, 642248, 681808, 1284496, 1850197, 3700394, 7400788, 14801576, 29603152, 79558471, 159116942, 318233884, 636467768, 1272935536]

約数ペア:

[(1, 1272935536), (2, 636467768), (4, 318233884), (8, 159116942), (16, 79558471), (43, 29603152), (86, 14801576), (172, 7400788), (344, 3700394), (688, 1850197), (991, 1284496), (1867, 681808), (1982, 642248), (3734, 340904), (3964, 321124), (7468, 170452), (7928, 160562), (14936, 85226), (15856, 80281), (29872, 42613)]