28720302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8563}}^1$

素因数の和:8624

約数の個数: 32

約数和(自身を含む): 63305088

約数和(自身を除く): 34584786

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 8563, 17126, 25689, 51378, 111319, 222638, 333957, 368209, 667914, 736418, 1104627, 2209254, 4786717, 9573434, 14360151, 28720302]

約数ペア:

[(1, 28720302), (2, 14360151), (3, 9573434), (6, 4786717), (13, 2209254), (26, 1104627), (39, 736418), (43, 667914), (78, 368209), (86, 333957), (129, 222638), (258, 111319), (559, 51378), (1118, 25689), (1677, 17126), (3354, 8563)]