394189257

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 719815680

約数和(自身を除く): 325626423

約数列:

[1, 3, 7, 11, 19, 21, 29, 33, 57, 77, 87, 133, 163, 203, 209, 231, 319, 361, 399, 489, 551, 609, 627, 957, 1083, 1141, 1463, 1653, 1793, 2233, 2527, 3097, 3423, 3857, 3971, 4389, 4727, 5379, 6061, 6699, 7581, 9291, 10469, 11571, 11913, 12551, 14181, 18183, 21679, 27797, 31407, 33089, 34067, 37653, 42427, 51997, 58843, 65037, 73283, 83391, 89813, 99267, 102201, 115159, 127281, 155991, 176529, 219849, 238469, 269439, 345477, 363979, 411901, 628691, 647273, 715407, 806113, 987943, 1091937, 1235703, 1706447, 1886073, 1941819, 2418339, 2963829, 4530911, 5119341, 6915601, 11945129, 13592733, 18770917, 20746803, 35835387, 56312751, 131396419, 394189257]

約数ペア:

[(1, 394189257), (3, 131396419), (7, 56312751), (11, 35835387), (19, 20746803), (21, 18770917), (29, 13592733), (33, 11945129), (57, 6915601), (77, 5119341), (87, 4530911), (133, 2963829), (163, 2418339), (203, 1941819), (209, 1886073), (231, 1706447), (319, 1235703), (361, 1091937), (399, 987943), (489, 806113), (551, 715407), (609, 647273), (627, 628691), (957, 411901), (1083, 363979), (1141, 345477), (1463, 269439), (1653, 238469), (1793, 219849), (2233, 176529), (2527, 155991), (3097, 127281), (3423, 115159), (3857, 102201), (3971, 99267), (4389, 89813), (4727, 83391), (5379, 73283), (6061, 65037), (6699, 58843), (7581, 51997), (9291, 42427), (10469, 37653), (11571, 34067), (11913, 33089), (12551, 31407), (14181, 27797), (18183, 21679)]