28262130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72467}}^1$

素因数の和:72490

約数の個数: 32

約数和(自身を含む): 73047744

約数和(自身を除く): 44785614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72467, 144934, 217401, 362335, 434802, 724670, 942071, 1087005, 1884142, 2174010, 2826213, 4710355, 5652426, 9420710, 14131065, 28262130]

約数ペア:

[(1, 28262130), (2, 14131065), (3, 9420710), (5, 5652426), (6, 4710355), (10, 2826213), (13, 2174010), (15, 1884142), (26, 1087005), (30, 942071), (39, 724670), (65, 434802), (78, 362335), (130, 217401), (195, 144934), (390, 72467)]