15728545

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 22498560

約数和(自身を除く): 6770015

約数列:

[1, 5, 7, 35, 53, 61, 139, 265, 305, 371, 427, 695, 973, 1855, 2135, 3233, 4865, 7367, 8479, 16165, 22631, 36835, 42395, 51569, 59353, 113155, 257845, 296765, 449387, 2246935, 3145709, 15728545]

約数ペア:

[(1, 15728545), (5, 3145709), (7, 2246935), (35, 449387), (53, 296765), (61, 257845), (139, 113155), (265, 59353), (305, 51569), (371, 42395), (427, 36835), (695, 22631), (973, 16165), (1855, 8479), (2135, 7367), (3233, 4865)]