28056690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1483

約数の個数: 48

約数和(自身を含む): 73291608

約数和(自身を除く): 45234918

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 1213, 1285, 1542, 2313, 2426, 2570, 3639, 3855, 4626, 6065, 7278, 7710, 10917, 11565, 12130, 18195, 21834, 23130, 36390, 54585, 109170, 311741, 623482, 935223, 1558705, 1870446, 2805669, 3117410, 4676115, 5611338, 9352230, 14028345, 28056690]

約数ペア:

[(1, 28056690), (2, 14028345), (3, 9352230), (5, 5611338), (6, 4676115), (9, 3117410), (10, 2805669), (15, 1870446), (18, 1558705), (30, 935223), (45, 623482), (90, 311741), (257, 109170), (514, 54585), (771, 36390), (1213, 23130), (1285, 21834), (1542, 18195), (2313, 12130), (2426, 11565), (2570, 10917), (3639, 7710), (3855, 7278), (4626, 6065)]