398243846

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2969}}^1$

素因数の和:3069

約数の個数: 64

約数和(自身を含む): 814302720

約数和(自身を除く): 416058874

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 67, 77, 91, 134, 143, 154, 182, 286, 469, 737, 871, 938, 1001, 1474, 1742, 2002, 2969, 5159, 5938, 6097, 9581, 10318, 12194, 19162, 20783, 32659, 38597, 41566, 65318, 67067, 77194, 134134, 198923, 228613, 270179, 397846, 424567, 457226, 540358, 849134, 1392461, 2188153, 2585999, 2784922, 2971969, 4376306, 5171998, 5943938, 15317071, 18101993, 28445989, 30634142, 36203986, 56891978, 199121923, 398243846]

約数ペア:

[(1, 398243846), (2, 199121923), (7, 56891978), (11, 36203986), (13, 30634142), (14, 28445989), (22, 18101993), (26, 15317071), (67, 5943938), (77, 5171998), (91, 4376306), (134, 2971969), (143, 2784922), (154, 2585999), (182, 2188153), (286, 1392461), (469, 849134), (737, 540358), (871, 457226), (938, 424567), (1001, 397846), (1474, 270179), (1742, 228613), (2002, 198923), (2969, 134134), (5159, 77194), (5938, 67067), (6097, 65318), (9581, 41566), (10318, 38597), (12194, 32659), (19162, 20783)]