28276465

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 41322240

約数和(自身を除く): 13045775

約数列:

[1, 5, 7, 19, 35, 95, 101, 133, 421, 505, 665, 707, 1919, 2105, 2947, 3535, 7999, 9595, 13433, 14735, 39995, 42521, 55993, 67165, 212605, 279965, 297647, 807899, 1488235, 4039495, 5655293, 28276465]

約数ペア:

[(1, 28276465), (5, 5655293), (7, 4039495), (19, 1488235), (35, 807899), (95, 297647), (101, 279965), (133, 212605), (421, 67165), (505, 55993), (665, 42521), (707, 39995), (1919, 14735), (2105, 13433), (2947, 9595), (3535, 7999)]