28665810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{739}}^1$

素因数の和:1183

約数の個数: 48

約数和(自身を含む): 74805120

約数和(自身を除く): 46139310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 431, 739, 862, 1293, 1478, 2155, 2217, 2586, 3695, 3879, 4310, 4434, 6465, 6651, 7390, 7758, 11085, 12930, 13302, 19395, 22170, 33255, 38790, 66510, 318509, 637018, 955527, 1592545, 1911054, 2866581, 3185090, 4777635, 5733162, 9555270, 14332905, 28665810]

約数ペア:

[(1, 28665810), (2, 14332905), (3, 9555270), (5, 5733162), (6, 4777635), (9, 3185090), (10, 2866581), (15, 1911054), (18, 1592545), (30, 955527), (45, 637018), (90, 318509), (431, 66510), (739, 38790), (862, 33255), (1293, 22170), (1478, 19395), (2155, 13302), (2217, 12930), (2586, 11085), (3695, 7758), (3879, 7390), (4310, 6651), (4434, 6465)]