206811143

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 278853120

約数和(自身を除く): 72041977

約数列:

[1, 7, 11, 19, 71, 77, 121, 133, 181, 209, 497, 781, 847, 1267, 1349, 1463, 1991, 2299, 3439, 5467, 8591, 9443, 12851, 13937, 14839, 16093, 21901, 24073, 37829, 60137, 89957, 103873, 141361, 153307, 163229, 244169, 264803, 416119, 989527, 1142603, 1554971, 1709183, 2685859, 2912833, 10884797, 18801013, 29544449, 206811143]

約数ペア:

[(1, 206811143), (7, 29544449), (11, 18801013), (19, 10884797), (71, 2912833), (77, 2685859), (121, 1709183), (133, 1554971), (181, 1142603), (209, 989527), (497, 416119), (781, 264803), (847, 244169), (1267, 163229), (1349, 153307), (1463, 141361), (1991, 103873), (2299, 89957), (3439, 60137), (5467, 37829), (8591, 24073), (9443, 21901), (12851, 16093), (13937, 14839)]