131168394

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1171}}^1$

素因数の和:1320

約数の個数: 72

約数和(自身を含む): 333485568

約数和(自身を除く): 202317174

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 127, 147, 254, 294, 381, 441, 762, 882, 889, 1143, 1171, 1778, 2286, 2342, 2667, 3513, 5334, 6223, 7026, 8001, 8197, 10539, 12446, 16002, 16394, 18669, 21078, 24591, 37338, 49182, 56007, 57379, 73773, 112014, 114758, 147546, 148717, 172137, 297434, 344274, 446151, 516411, 892302, 1032822, 1041019, 1338453, 2082038, 2676906, 3123057, 6246114, 7287133, 9369171, 14574266, 18738342, 21861399, 43722798, 65584197, 131168394]

約数ペア:

[(1, 131168394), (2, 65584197), (3, 43722798), (6, 21861399), (7, 18738342), (9, 14574266), (14, 9369171), (18, 7287133), (21, 6246114), (42, 3123057), (49, 2676906), (63, 2082038), (98, 1338453), (126, 1041019), (127, 1032822), (147, 892302), (254, 516411), (294, 446151), (381, 344274), (441, 297434), (762, 172137), (882, 148717), (889, 147546), (1143, 114758), (1171, 112014), (1778, 73773), (2286, 57379), (2342, 56007), (2667, 49182), (3513, 37338), (5334, 24591), (6223, 21078), (7026, 18669), (8001, 16394), (8197, 16002), (10539, 12446)]