28637388

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{523}}^1$

素因数の和:565

約数の個数: 90

約数和(自身を含む): 81220524

約数和(自身を除く): 52583136

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 169, 234, 324, 338, 351, 468, 507, 523, 676, 702, 1014, 1046, 1053, 1404, 1521, 1569, 2028, 2092, 2106, 3042, 3138, 4212, 4563, 4707, 6084, 6276, 6799, 9126, 9414, 13598, 13689, 14121, 18252, 18828, 20397, 27196, 27378, 28242, 40794, 42363, 54756, 56484, 61191, 81588, 84726, 88387, 122382, 169452, 176774, 183573, 244764, 265161, 353548, 367146, 530322, 550719, 734292, 795483, 1060644, 1101438, 1590966, 2202876, 2386449, 3181932, 4772898, 7159347, 9545796, 14318694, 28637388]

約数ペア:

[(1, 28637388), (2, 14318694), (3, 9545796), (4, 7159347), (6, 4772898), (9, 3181932), (12, 2386449), (13, 2202876), (18, 1590966), (26, 1101438), (27, 1060644), (36, 795483), (39, 734292), (52, 550719), (54, 530322), (78, 367146), (81, 353548), (108, 265161), (117, 244764), (156, 183573), (162, 176774), (169, 169452), (234, 122382), (324, 88387), (338, 84726), (351, 81588), (468, 61191), (507, 56484), (523, 54756), (676, 42363), (702, 40794), (1014, 28242), (1046, 27378), (1053, 27196), (1404, 20397), (1521, 18828), (1569, 18252), (2028, 14121), (2092, 13689), (2106, 13598), (3042, 9414), (3138, 9126), (4212, 6799), (4563, 6276), (4707, 6084)]