28132884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1279}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 78274560

約数和(自身を除く): 50141676

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1279, 1692, 1833, 2444, 2558, 3666, 3837, 5116, 5499, 7332, 7674, 10998, 11511, 15348, 16627, 21996, 23022, 33254, 46044, 49881, 60113, 66508, 99762, 120226, 149643, 180339, 199524, 240452, 299286, 360678, 541017, 598572, 721356, 781469, 1082034, 1562938, 2164068, 2344407, 3125876, 4688814, 7033221, 9377628, 14066442, 28132884]

約数ペア:

[(1, 28132884), (2, 14066442), (3, 9377628), (4, 7033221), (6, 4688814), (9, 3125876), (12, 2344407), (13, 2164068), (18, 1562938), (26, 1082034), (36, 781469), (39, 721356), (47, 598572), (52, 541017), (78, 360678), (94, 299286), (117, 240452), (141, 199524), (156, 180339), (188, 149643), (234, 120226), (282, 99762), (423, 66508), (468, 60113), (564, 49881), (611, 46044), (846, 33254), (1222, 23022), (1279, 21996), (1692, 16627), (1833, 15348), (2444, 11511), (2558, 10998), (3666, 7674), (3837, 7332), (5116, 5499)]