551347951

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 730265760

約数和(自身を除く): 178917809

約数列:

[1, 7, 11, 41, 49, 61, 77, 287, 409, 427, 451, 539, 671, 2009, 2501, 2863, 2989, 3157, 4499, 4697, 16769, 17507, 20041, 22099, 24949, 27511, 31493, 32879, 117383, 122549, 174643, 184459, 192577, 220451, 274439, 821681, 1022909, 1222501, 1291213, 1348039, 1921073, 7160363, 9038491, 11251999, 13447511, 50122541, 78763993, 551347951]

約数ペア:

[(1, 551347951), (7, 78763993), (11, 50122541), (41, 13447511), (49, 11251999), (61, 9038491), (77, 7160363), (287, 1921073), (409, 1348039), (427, 1291213), (451, 1222501), (539, 1022909), (671, 821681), (2009, 274439), (2501, 220451), (2863, 192577), (2989, 184459), (3157, 174643), (4499, 122549), (4697, 117383), (16769, 32879), (17507, 31493), (20041, 27511), (22099, 24949)]