28404565

素因数分解:

$5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 39923712

約数和(自身を除く): 11519147

約数列:

[1, 5, 7, 35, 49, 191, 245, 607, 955, 1337, 3035, 4249, 6685, 9359, 21245, 29743, 46795, 115937, 148715, 579685, 811559, 4057795, 5680913, 28404565]

約数ペア:

[(1, 28404565), (5, 5680913), (7, 4057795), (35, 811559), (49, 579685), (191, 148715), (245, 115937), (607, 46795), (955, 29743), (1337, 21245), (3035, 9359), (4249, 6685)]