12457445

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 21288960

約数和(自身を除く): 8831515

約数列:

[1, 5, 7, 11, 13, 19, 35, 55, 65, 77, 91, 95, 131, 133, 143, 209, 247, 385, 455, 655, 665, 715, 917, 1001, 1045, 1235, 1441, 1463, 1703, 1729, 2489, 2717, 4585, 5005, 7205, 7315, 8515, 8645, 10087, 11921, 12445, 13585, 17423, 18733, 19019, 27379, 32357, 50435, 59605, 87115, 93665, 95095, 131131, 136895, 161785, 191653, 226499, 355927, 655655, 958265, 1132495, 1779635, 2491489, 12457445]

約数ペア:

[(1, 12457445), (5, 2491489), (7, 1779635), (11, 1132495), (13, 958265), (19, 655655), (35, 355927), (55, 226499), (65, 191653), (77, 161785), (91, 136895), (95, 131131), (131, 95095), (133, 93665), (143, 87115), (209, 59605), (247, 50435), (385, 32357), (455, 27379), (655, 19019), (665, 18733), (715, 17423), (917, 13585), (1001, 12445), (1045, 11921), (1235, 10087), (1441, 8645), (1463, 8515), (1703, 7315), (1729, 7205), (2489, 5005), (2717, 4585)]