17661378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 25469502

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 47, 69, 94, 138, 141, 161, 282, 322, 329, 389, 483, 658, 778, 966, 987, 1081, 1167, 1974, 2162, 2334, 2723, 3243, 5446, 6486, 7567, 8169, 8947, 15134, 16338, 17894, 18283, 22701, 26841, 36566, 45402, 53682, 54849, 62629, 109698, 125258, 127981, 187887, 255962, 375774, 383943, 420509, 767886, 841018, 1261527, 2523054, 2943563, 5887126, 8830689, 17661378]

約数ペア:

[(1, 17661378), (2, 8830689), (3, 5887126), (6, 2943563), (7, 2523054), (14, 1261527), (21, 841018), (23, 767886), (42, 420509), (46, 383943), (47, 375774), (69, 255962), (94, 187887), (138, 127981), (141, 125258), (161, 109698), (282, 62629), (322, 54849), (329, 53682), (389, 45402), (483, 36566), (658, 26841), (778, 22701), (966, 18283), (987, 17894), (1081, 16338), (1167, 15134), (1974, 8947), (2162, 8169), (2334, 7567), (2723, 6486), (3243, 5446)]