28688998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 48254976

約数和(自身を除く): 19565978

約数列:

[1, 2, 13, 26, 43, 67, 86, 134, 383, 559, 766, 871, 1118, 1742, 2881, 4979, 5762, 9958, 16469, 25661, 32938, 37453, 51322, 74906, 214097, 333593, 428194, 667186, 1103423, 2206846, 14344499, 28688998]

約数ペア:

[(1, 28688998), (2, 14344499), (13, 2206846), (26, 1103423), (43, 667186), (67, 428194), (86, 333593), (134, 214097), (383, 74906), (559, 51322), (766, 37453), (871, 32938), (1118, 25661), (1742, 16469), (2881, 9958), (4979, 5762)]