28664789

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 2085931

約数列:

[1, 29, 43, 127, 181, 1247, 3683, 5249, 5461, 7783, 22987, 158369, 225707, 666623, 988441, 28664789]

約数ペア:

[(1, 28664789), (29, 988441), (43, 666623), (127, 225707), (181, 158369), (1247, 22987), (3683, 7783), (5249, 5461)]