15280928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 32792760

約数和(自身を除く): 17511832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 208, 218, 337, 416, 436, 674, 872, 1348, 1417, 1744, 2696, 2834, 3488, 4381, 5392, 5668, 8762, 10784, 11336, 17524, 22672, 35048, 36733, 45344, 70096, 73466, 140192, 146932, 293864, 477529, 587728, 955058, 1175456, 1910116, 3820232, 7640464, 15280928]

約数ペア:

[(1, 15280928), (2, 7640464), (4, 3820232), (8, 1910116), (13, 1175456), (16, 955058), (26, 587728), (32, 477529), (52, 293864), (104, 146932), (109, 140192), (208, 73466), (218, 70096), (337, 45344), (416, 36733), (436, 35048), (674, 22672), (872, 17524), (1348, 11336), (1417, 10784), (1744, 8762), (2696, 5668), (2834, 5392), (3488, 4381)]