78993475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 115412256

約数和(自身を除く): 36418781

約数列:

[1, 5, 11, 17, 25, 55, 61, 85, 187, 275, 277, 305, 425, 671, 935, 1037, 1385, 1525, 3047, 3355, 4675, 4709, 5185, 6925, 11407, 15235, 16775, 16897, 23545, 25925, 51799, 57035, 76175, 84485, 117725, 185867, 258995, 285175, 287249, 422425, 929335, 1294975, 1436245, 3159739, 4646675, 7181225, 15798695, 78993475]

約数ペア:

[(1, 78993475), (5, 15798695), (11, 7181225), (17, 4646675), (25, 3159739), (55, 1436245), (61, 1294975), (85, 929335), (187, 422425), (275, 287249), (277, 285175), (305, 258995), (425, 185867), (671, 117725), (935, 84485), (1037, 76175), (1385, 57035), (1525, 51799), (3047, 25925), (3355, 23545), (4675, 16897), (4709, 16775), (5185, 15235), (6925, 11407)]