31728235

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 49362912

約数和(自身を除く): 17634677

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 193, 245, 305, 385, 427, 539, 671, 965, 1351, 2123, 2135, 2695, 2989, 3355, 4697, 6755, 9457, 10615, 11773, 14861, 14945, 23485, 32879, 47285, 58865, 74305, 82411, 104027, 129503, 164395, 412055, 520135, 576877, 647515, 906521, 2884385, 4532605, 6345647, 31728235]

約数ペア:

[(1, 31728235), (5, 6345647), (7, 4532605), (11, 2884385), (35, 906521), (49, 647515), (55, 576877), (61, 520135), (77, 412055), (193, 164395), (245, 129503), (305, 104027), (385, 82411), (427, 74305), (539, 58865), (671, 47285), (965, 32879), (1351, 23485), (2123, 14945), (2135, 14861), (2695, 11773), (2989, 10615), (3355, 9457), (4697, 6755)]