128292268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1409}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 258672960

約数和(自身を除く): 130380692

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 103, 206, 221, 412, 442, 884, 1339, 1409, 1751, 2678, 2818, 3502, 5356, 5636, 7004, 18317, 22763, 23953, 36634, 45526, 47906, 73268, 91052, 95812, 145127, 290254, 311389, 580508, 622778, 1245556, 1886651, 2467159, 3773302, 4934318, 7546604, 9868636, 32073067, 64146134, 128292268]

約数ペア:

[(1, 128292268), (2, 64146134), (4, 32073067), (13, 9868636), (17, 7546604), (26, 4934318), (34, 3773302), (52, 2467159), (68, 1886651), (103, 1245556), (206, 622778), (221, 580508), (412, 311389), (442, 290254), (884, 145127), (1339, 95812), (1409, 91052), (1751, 73268), (2678, 47906), (2818, 45526), (3502, 36634), (5356, 23953), (5636, 22763), (7004, 18317)]