720079928

素因数分解:

$2^3\times {\mathrm{9091}}^1\times {\mathrm{9901}}^1$

素因数の和:18998

約数の個数: 16

約数和(自身を含む): 1350434760

約数和(自身を除く): 630354832

約数列:

[1, 2, 4, 8, 9091, 9901, 18182, 19802, 36364, 39604, 72728, 79208, 90009991, 180019982, 360039964, 720079928]

約数ペア:

[(1, 720079928), (2, 360039964), (4, 180019982), (8, 90009991), (9091, 79208), (9901, 72728), (18182, 39604), (19802, 36364)]