28456516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9109}}^1$

素因数の和:9195

約数の個数: 24

約数和(自身を含む): 55097280

約数和(自身を除く): 26640764

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 9109, 18218, 36436, 100199, 200398, 400796, 646739, 1293478, 2586956, 7114129, 14228258, 28456516]

約数ペア:

[(1, 28456516), (2, 14228258), (4, 7114129), (11, 2586956), (22, 1293478), (44, 646739), (71, 400796), (142, 200398), (284, 100199), (781, 36436), (1562, 18218), (3124, 9109)]