208536552007

素因数分解:

$7^1\times {\mathrm{23}}^3\times {\mathrm{311}}^1\times {\mathrm{7873}}^1$

素因数の和:8260

約数の個数: 32

約数和(自身を含む): 249992570880

約数和(自身を除く): 41456018873

約数列:

[1, 7, 23, 161, 311, 529, 2177, 3703, 7153, 7873, 12167, 50071, 55111, 85169, 164519, 181079, 1151633, 1267553, 2448503, 3783937, 4164817, 17139521, 26487559, 29153719, 56315569, 95790791, 394208983, 670535537, 1295258087, 9066806609, 29790936001, 208536552007]

約数ペア:

[(1, 208536552007), (7, 29790936001), (23, 9066806609), (161, 1295258087), (311, 670535537), (529, 394208983), (2177, 95790791), (3703, 56315569), (7153, 29153719), (7873, 26487559), (12167, 17139521), (50071, 4164817), (55111, 3783937), (85169, 2448503), (164519, 1267553), (181079, 1151633)]