1994351611

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 2369802240

約数和(自身を除く): 375450629

約数列:

[1, 7, 47, 103, 229, 257, 329, 721, 1603, 1799, 4841, 10763, 12079, 23587, 26471, 33887, 58853, 75341, 84553, 165109, 185297, 411971, 1108589, 1244137, 2766091, 6061859, 7760123, 8708959, 19362637, 42433013, 284907373, 1994351611]

約数ペア:

[(1, 1994351611), (7, 284907373), (47, 42433013), (103, 19362637), (229, 8708959), (257, 7760123), (329, 6061859), (721, 2766091), (1603, 1244137), (1799, 1108589), (4841, 411971), (10763, 185297), (12079, 165109), (23587, 84553), (26471, 75341), (33887, 58853)]