12940235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 21427200

約数和(自身を除く): 8486965

約数列:

[1, 5, 7, 11, 19, 29, 35, 55, 61, 77, 95, 133, 145, 203, 209, 305, 319, 385, 427, 551, 665, 671, 1015, 1045, 1159, 1463, 1595, 1769, 2135, 2233, 2755, 3355, 3857, 4697, 5795, 6061, 7315, 8113, 8845, 11165, 12383, 12749, 19285, 19459, 23485, 30305, 33611, 40565, 42427, 61915, 63745, 89243, 97295, 136213, 168055, 212135, 235277, 369721, 446215, 681065, 1176385, 1848605, 2588047, 12940235]

約数ペア:

[(1, 12940235), (5, 2588047), (7, 1848605), (11, 1176385), (19, 681065), (29, 446215), (35, 369721), (55, 235277), (61, 212135), (77, 168055), (95, 136213), (133, 97295), (145, 89243), (203, 63745), (209, 61915), (305, 42427), (319, 40565), (385, 33611), (427, 30305), (551, 23485), (665, 19459), (671, 19285), (1015, 12749), (1045, 12383), (1159, 11165), (1463, 8845), (1595, 8113), (1769, 7315), (2135, 6061), (2233, 5795), (2755, 4697), (3355, 3857)]