213547090

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{2293}}^1$

素因数の和:2506

約数の個数: 32

約数和(自身を含む): 393099840

約数和(自身を除く): 179552750

約数列:

[1, 2, 5, 10, 67, 134, 139, 278, 335, 670, 695, 1390, 2293, 4586, 9313, 11465, 18626, 22930, 46565, 93130, 153631, 307262, 318727, 637454, 768155, 1536310, 1593635, 3187270, 21354709, 42709418, 106773545, 213547090]

約数ペア:

[(1, 213547090), (2, 106773545), (5, 42709418), (10, 21354709), (67, 3187270), (134, 1593635), (139, 1536310), (278, 768155), (335, 637454), (670, 318727), (695, 307262), (1390, 153631), (2293, 93130), (4586, 46565), (9313, 22930), (11465, 18626)]