2557304841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3109}}^1$

素因数の和:3286

約数の個数: 64

約数和(自身を含む): 4413911040

約数和(自身を除く): 1856606199

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 131, 161, 273, 299, 393, 483, 897, 917, 1703, 2093, 2751, 3013, 3109, 5109, 6279, 9039, 9327, 11921, 21091, 21763, 35763, 39169, 40417, 63273, 65289, 71507, 117507, 121251, 214521, 274183, 282919, 407279, 500549, 822549, 848757, 929591, 1221837, 1501647, 2788773, 2850953, 5294627, 6507137, 8552859, 9367417, 15883881, 19521411, 28102251, 37062389, 65571919, 111187167, 121776421, 196715757, 365329263, 852434947, 2557304841]

約数ペア:

[(1, 2557304841), (3, 852434947), (7, 365329263), (13, 196715757), (21, 121776421), (23, 111187167), (39, 65571919), (69, 37062389), (91, 28102251), (131, 19521411), (161, 15883881), (273, 9367417), (299, 8552859), (393, 6507137), (483, 5294627), (897, 2850953), (917, 2788773), (1703, 1501647), (2093, 1221837), (2751, 929591), (3013, 848757), (3109, 822549), (5109, 500549), (6279, 407279), (9039, 282919), (9327, 274183), (11921, 214521), (21091, 121251), (21763, 117507), (35763, 71507), (39169, 65289), (40417, 63273)]