28887228

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{18661}}^1$

素因数の和:18714

約数の個数: 36

約数和(自身を含む): 74722648

約数和(自身を除く): 45835420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 18661, 37322, 55983, 74644, 111966, 167949, 223932, 335898, 671796, 802423, 1604846, 2407269, 3209692, 4814538, 7221807, 9629076, 14443614, 28887228]

約数ペア:

[(1, 28887228), (2, 14443614), (3, 9629076), (4, 7221807), (6, 4814538), (9, 3209692), (12, 2407269), (18, 1604846), (36, 802423), (43, 671796), (86, 335898), (129, 223932), (172, 167949), (258, 111966), (387, 74644), (516, 55983), (774, 37322), (1548, 18661)]