858366688

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{20123}}^1$

素因数の和:20207

約数の個数: 48

約数和(自身を含む): 1785079296

約数和(自身を除く): 926712608

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 86, 124, 172, 248, 344, 496, 688, 992, 1333, 1376, 2666, 5332, 10664, 20123, 21328, 40246, 42656, 80492, 160984, 321968, 623813, 643936, 865289, 1247626, 1730578, 2495252, 3461156, 4990504, 6922312, 9981008, 13844624, 19962016, 26823959, 27689248, 53647918, 107295836, 214591672, 429183344, 858366688]

約数ペア:

[(1, 858366688), (2, 429183344), (4, 214591672), (8, 107295836), (16, 53647918), (31, 27689248), (32, 26823959), (43, 19962016), (62, 13844624), (86, 9981008), (124, 6922312), (172, 4990504), (248, 3461156), (344, 2495252), (496, 1730578), (688, 1247626), (992, 865289), (1333, 643936), (1376, 623813), (2666, 321968), (5332, 160984), (10664, 80492), (20123, 42656), (21328, 40246)]