644304752

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{442517}}^1$

素因数の和:442545

約数の個数: 40

約数和(自身を含む): 1536422496

約数和(自身を除く): 892117744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 442517, 885034, 1770068, 3097619, 3540136, 5752721, 6195238, 7080272, 11505442, 12390476, 23010884, 24780952, 40269047, 46021768, 49561904, 80538094, 92043536, 161076188, 322152376, 644304752]

約数ペア:

[(1, 644304752), (2, 322152376), (4, 161076188), (7, 92043536), (8, 80538094), (13, 49561904), (14, 46021768), (16, 40269047), (26, 24780952), (28, 23010884), (52, 12390476), (56, 11505442), (91, 7080272), (104, 6195238), (112, 5752721), (182, 3540136), (208, 3097619), (364, 1770068), (728, 885034), (1456, 442517)]