128286548

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 261692928

約数和(自身を除く): 133406380

約数列:

[1, 2, 4, 13, 23, 26, 37, 46, 52, 74, 92, 148, 169, 223, 299, 338, 446, 481, 598, 676, 851, 892, 962, 1196, 1702, 1924, 2899, 3404, 3887, 5129, 5798, 6253, 7774, 8251, 10258, 11063, 11596, 12506, 15548, 16502, 20516, 22126, 25012, 33004, 37687, 44252, 66677, 75374, 107263, 133354, 143819, 150748, 189773, 214526, 266708, 287638, 379546, 429052, 575276, 759092, 866801, 1394419, 1733602, 2467049, 2788838, 3467204, 4934098, 5577676, 9868196, 32071637, 64143274, 128286548]

約数ペア:

[(1, 128286548), (2, 64143274), (4, 32071637), (13, 9868196), (23, 5577676), (26, 4934098), (37, 3467204), (46, 2788838), (52, 2467049), (74, 1733602), (92, 1394419), (148, 866801), (169, 759092), (223, 575276), (299, 429052), (338, 379546), (446, 287638), (481, 266708), (598, 214526), (676, 189773), (851, 150748), (892, 143819), (962, 133354), (1196, 107263), (1702, 75374), (1924, 66677), (2899, 44252), (3404, 37687), (3887, 33004), (5129, 25012), (5798, 22126), (6253, 20516), (7774, 16502), (8251, 15548), (10258, 12506), (11063, 11596)]