28478628

素因数分解:

$2^2\times 3^5\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 75767328

約数和(自身を除く): 47288700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 83, 108, 162, 166, 243, 249, 324, 332, 353, 486, 498, 706, 747, 972, 996, 1059, 1412, 1494, 2118, 2241, 2988, 3177, 4236, 4482, 6354, 6723, 8964, 9531, 12708, 13446, 19062, 20169, 26892, 28593, 29299, 38124, 40338, 57186, 58598, 80676, 85779, 87897, 114372, 117196, 171558, 175794, 263691, 343116, 351588, 527382, 791073, 1054764, 1582146, 2373219, 3164292, 4746438, 7119657, 9492876, 14239314, 28478628]

約数ペア:

[(1, 28478628), (2, 14239314), (3, 9492876), (4, 7119657), (6, 4746438), (9, 3164292), (12, 2373219), (18, 1582146), (27, 1054764), (36, 791073), (54, 527382), (81, 351588), (83, 343116), (108, 263691), (162, 175794), (166, 171558), (243, 117196), (249, 114372), (324, 87897), (332, 85779), (353, 80676), (486, 58598), (498, 57186), (706, 40338), (747, 38124), (972, 29299), (996, 28593), (1059, 26892), (1412, 20169), (1494, 19062), (2118, 13446), (2241, 12708), (2988, 9531), (3177, 8964), (4236, 6723), (4482, 6354)]