28988690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{99961}}^1$

素因数の和:99997

約数の個数: 16

約数和(自身を含む): 53979480

約数和(自身を除く): 24990790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 99961, 199922, 499805, 999610, 2898869, 5797738, 14494345, 28988690]

約数ペア:

[(1, 28988690), (2, 14494345), (5, 5797738), (10, 2898869), (29, 999610), (58, 499805), (145, 199922), (290, 99961)]