205738897

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 275788800

約数和(自身を除く): 70049903

約数列:

[1, 7, 13, 19, 49, 89, 91, 133, 191, 247, 623, 637, 931, 1157, 1337, 1691, 1729, 2483, 3629, 4361, 8099, 9359, 11837, 12103, 16999, 17381, 21983, 25403, 47177, 56693, 82859, 118993, 121667, 153881, 177821, 220987, 322981, 330239, 832951, 1077167, 1546909, 2260867, 2311673, 4198753, 10828363, 15826069, 29391271, 205738897]

約数ペア:

[(1, 205738897), (7, 29391271), (13, 15826069), (19, 10828363), (49, 4198753), (89, 2311673), (91, 2260867), (133, 1546909), (191, 1077167), (247, 832951), (623, 330239), (637, 322981), (931, 220987), (1157, 177821), (1337, 153881), (1691, 121667), (1729, 118993), (2483, 82859), (3629, 56693), (4361, 47177), (8099, 25403), (9359, 21983), (11837, 17381), (12103, 16999)]