64126538

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 114401280

約数和(自身を除く): 50274742

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 973, 1063, 1946, 2126, 4309, 7441, 8618, 14882, 30163, 32953, 60326, 65906, 147757, 230671, 295514, 461342, 1034299, 2068598, 4580467, 9160934, 32063269, 64126538]

約数ペア:

[(1, 64126538), (2, 32063269), (7, 9160934), (14, 4580467), (31, 2068598), (62, 1034299), (139, 461342), (217, 295514), (278, 230671), (434, 147757), (973, 65906), (1063, 60326), (1946, 32953), (2126, 30163), (4309, 14882), (7441, 8618)]