156910988521

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1\times {\mathrm{25523}}^1$

素因数の和:26293

約数の個数: 32

約数和(自身を含む): 189908361216

約数和(自身を除く): 32997372695

約数列:

[1, 7, 31, 41, 217, 287, 691, 1271, 4837, 8897, 21421, 25523, 28331, 149947, 178661, 198317, 791213, 878261, 1046443, 5538491, 6147827, 7325101, 17636393, 32439733, 123454751, 227078131, 546728183, 723092113, 3827097281, 5061644791, 22415855503, 156910988521]

約数ペア:

[(1, 156910988521), (7, 22415855503), (31, 5061644791), (41, 3827097281), (217, 723092113), (287, 546728183), (691, 227078131), (1271, 123454751), (4837, 32439733), (8897, 17636393), (21421, 7325101), (25523, 6147827), (28331, 5538491), (149947, 1046443), (178661, 878261), (198317, 791213)]