28721177

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 31352832

約数和(自身を除く): 2631655

約数列:

[1, 17, 53, 127, 251, 901, 2159, 4267, 6731, 13303, 31877, 114427, 226151, 541909, 1689481, 28721177]

約数ペア:

[(1, 28721177), (17, 1689481), (53, 541909), (127, 226151), (251, 114427), (901, 31877), (2159, 13303), (4267, 6731)]