28199977

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 31711680

約数和(自身を除く): 3511703

約数列:

[1, 13, 29, 131, 377, 571, 1703, 3799, 7423, 16559, 49387, 74801, 215267, 972413, 2169229, 28199977]

約数ペア:

[(1, 28199977), (13, 2169229), (29, 972413), (131, 215267), (377, 74801), (571, 49387), (1703, 16559), (3799, 7423)]