218138656

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3373}}^1$

素因数の和:3473

約数の個数: 48

約数和(自身を含む): 448930944

約数和(自身を除く): 230792288

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 1376, 1504, 2021, 3373, 4042, 6746, 8084, 13492, 16168, 26984, 32336, 53968, 64672, 107936, 145039, 158531, 290078, 317062, 580156, 634124, 1160312, 1268248, 2320624, 2536496, 4641248, 5072992, 6816833, 13633666, 27267332, 54534664, 109069328, 218138656]

約数ペア:

[(1, 218138656), (2, 109069328), (4, 54534664), (8, 27267332), (16, 13633666), (32, 6816833), (43, 5072992), (47, 4641248), (86, 2536496), (94, 2320624), (172, 1268248), (188, 1160312), (344, 634124), (376, 580156), (688, 317062), (752, 290078), (1376, 158531), (1504, 145039), (2021, 107936), (3373, 64672), (4042, 53968), (6746, 32336), (8084, 26984), (13492, 16168)]