257156728548

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1\times {\mathrm{6691}}^1$

素因数の和:7305

約数の個数: 96

約数和(自身を含む): 618736538112

約数和(自身を除く): 361579809564

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 211, 258, 353, 422, 516, 633, 706, 844, 1059, 1266, 1412, 2118, 2532, 4236, 6691, 9073, 13382, 15179, 18146, 20073, 26764, 27219, 30358, 36292, 40146, 45537, 54438, 60716, 74483, 80292, 91074, 108876, 148966, 182148, 223449, 287713, 297932, 446898, 575426, 863139, 893796, 1150852, 1411801, 1726278, 2361923, 2823602, 3202769, 3452556, 4235403, 4723846, 5647204, 6405538, 7085769, 8470806, 9447692, 9608307, 12811076, 14171538, 16941612, 19216614, 28343076, 38433228, 60707443, 101562689, 121414886, 182122329, 203125378, 242829772, 304688067, 364244658, 406250756, 498365753, 609376134, 728489316, 996731506, 1218752268, 1495097259, 1993463012, 2990194518, 5980389036, 21429727379, 42859454758, 64289182137, 85718909516, 128578364274, 257156728548]

約数ペア:

[(1, 257156728548), (2, 128578364274), (3, 85718909516), (4, 64289182137), (6, 42859454758), (12, 21429727379), (43, 5980389036), (86, 2990194518), (129, 1993463012), (172, 1495097259), (211, 1218752268), (258, 996731506), (353, 728489316), (422, 609376134), (516, 498365753), (633, 406250756), (706, 364244658), (844, 304688067), (1059, 242829772), (1266, 203125378), (1412, 182122329), (2118, 121414886), (2532, 101562689), (4236, 60707443), (6691, 38433228), (9073, 28343076), (13382, 19216614), (15179, 16941612), (18146, 14171538), (20073, 12811076), (26764, 9608307), (27219, 9447692), (30358, 8470806), (36292, 7085769), (40146, 6405538), (45537, 5647204), (54438, 4723846), (60716, 4235403), (74483, 3452556), (80292, 3202769), (91074, 2823602), (108876, 2361923), (148966, 1726278), (182148, 1411801), (223449, 1150852), (287713, 893796), (297932, 863139), (446898, 575426)]