28721000808

素因数分解:

$2^3\times 3^2\times {\mathrm{619}}^1\times {\mathrm{644431}}^1$

素因数の和:645062

約数の個数: 48

約数和(自身を含む): 77911828800

約数和(自身を除く): 49190827992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 619, 1238, 1857, 2476, 3714, 4952, 5571, 7428, 11142, 14856, 22284, 44568, 644431, 1288862, 1933293, 2577724, 3866586, 5155448, 5799879, 7733172, 11599758, 15466344, 23199516, 46399032, 398902789, 797805578, 1196708367, 1595611156, 2393416734, 3191222312, 3590125101, 4786833468, 7180250202, 9573666936, 14360500404, 28721000808]

約数ペア:

[(1, 28721000808), (2, 14360500404), (3, 9573666936), (4, 7180250202), (6, 4786833468), (8, 3590125101), (9, 3191222312), (12, 2393416734), (18, 1595611156), (24, 1196708367), (36, 797805578), (72, 398902789), (619, 46399032), (1238, 23199516), (1857, 15466344), (2476, 11599758), (3714, 7733172), (4952, 5799879), (5571, 5155448), (7428, 3866586), (11142, 2577724), (14856, 1933293), (22284, 1288862), (44568, 644431)]