28487179

素因数分解:

$7^3\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 24

約数和(自身を含む): 34949600

約数和(自身を除く): 6462421

約数列:

[1, 7, 23, 49, 157, 161, 343, 529, 1099, 1127, 3611, 3703, 7693, 7889, 25277, 25921, 53851, 83053, 176939, 181447, 581371, 1238573, 4069597, 28487179]

約数ペア:

[(1, 28487179), (7, 4069597), (23, 1238573), (49, 581371), (157, 181447), (161, 176939), (343, 83053), (529, 53851), (1099, 25921), (1127, 25277), (3611, 7889), (3703, 7693)]