728091390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1866901}}^1$

素因数の和:1866924

約数の個数: 32

約数和(自身を含む): 1881837216

約数和(自身を除く): 1153745826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1866901, 3733802, 5600703, 9334505, 11201406, 18669010, 24269713, 28003515, 48539426, 56007030, 72809139, 121348565, 145618278, 242697130, 364045695, 728091390]

約数ペア:

[(1, 728091390), (2, 364045695), (3, 242697130), (5, 145618278), (6, 121348565), (10, 72809139), (13, 56007030), (15, 48539426), (26, 28003515), (30, 24269713), (39, 18669010), (65, 11201406), (78, 9334505), (130, 5600703), (195, 3733802), (390, 1866901)]