257072166

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:970

約数の個数: 96

約数和(自身を含む): 641571840

約数和(自身を除く): 384499674

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 67, 78, 114, 117, 134, 171, 201, 234, 247, 342, 402, 494, 603, 741, 863, 871, 1206, 1273, 1482, 1726, 1742, 2223, 2546, 2589, 2613, 3819, 4446, 5178, 5226, 7638, 7767, 7839, 11219, 11457, 15534, 15678, 16397, 16549, 22438, 22914, 32794, 33098, 33657, 49191, 49647, 57821, 67314, 98382, 99294, 100971, 115642, 147573, 148941, 173463, 201942, 213161, 295146, 297882, 346926, 426322, 520389, 639483, 751673, 1040778, 1098599, 1278966, 1503346, 1918449, 2197198, 2255019, 3295797, 3836898, 4510038, 6591594, 6765057, 9887391, 13530114, 14281787, 19774782, 28563574, 42845361, 85690722, 128536083, 257072166]

約数ペア:

[(1, 257072166), (2, 128536083), (3, 85690722), (6, 42845361), (9, 28563574), (13, 19774782), (18, 14281787), (19, 13530114), (26, 9887391), (38, 6765057), (39, 6591594), (57, 4510038), (67, 3836898), (78, 3295797), (114, 2255019), (117, 2197198), (134, 1918449), (171, 1503346), (201, 1278966), (234, 1098599), (247, 1040778), (342, 751673), (402, 639483), (494, 520389), (603, 426322), (741, 346926), (863, 297882), (871, 295146), (1206, 213161), (1273, 201942), (1482, 173463), (1726, 148941), (1742, 147573), (2223, 115642), (2546, 100971), (2589, 99294), (2613, 98382), (3819, 67314), (4446, 57821), (5178, 49647), (5226, 49191), (7638, 33657), (7767, 33098), (7839, 32794), (11219, 22914), (11457, 22438), (15534, 16549), (15678, 16397)]