665826928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{3331}}^1$

素因数の和:3414

約数の個数: 60

約数和(自身を含む): 1435965384

約数和(自身を除く): 770138456

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1612, 1922, 3224, 3331, 3844, 6448, 6662, 7688, 12493, 13324, 15376, 24986, 26648, 43303, 49972, 53296, 86606, 99944, 103261, 173212, 199888, 206522, 346424, 413044, 692848, 826088, 1342393, 1652176, 2684786, 3201091, 5369572, 6402182, 10739144, 12804364, 21478288, 25608728, 41614183, 51217456, 83228366, 166456732, 332913464, 665826928]

約数ペア:

[(1, 665826928), (2, 332913464), (4, 166456732), (8, 83228366), (13, 51217456), (16, 41614183), (26, 25608728), (31, 21478288), (52, 12804364), (62, 10739144), (104, 6402182), (124, 5369572), (208, 3201091), (248, 2684786), (403, 1652176), (496, 1342393), (806, 826088), (961, 692848), (1612, 413044), (1922, 346424), (3224, 206522), (3331, 199888), (3844, 173212), (6448, 103261), (6662, 99944), (7688, 86606), (12493, 53296), (13324, 49972), (15376, 43303), (24986, 26648)]