638862024

素因数分解:

$2^3\times 3^1\times {\mathrm{991}}^1\times {\mathrm{26861}}^1$

素因数の和:27861

約数の個数: 32

約数和(自身を含む): 1598826240

約数和(自身を除く): 959964216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 991, 1982, 2973, 3964, 5946, 7928, 11892, 23784, 26861, 53722, 80583, 107444, 161166, 214888, 322332, 644664, 26619251, 53238502, 79857753, 106477004, 159715506, 212954008, 319431012, 638862024]

約数ペア:

[(1, 638862024), (2, 319431012), (3, 212954008), (4, 159715506), (6, 106477004), (8, 79857753), (12, 53238502), (24, 26619251), (991, 644664), (1982, 322332), (2973, 214888), (3964, 161166), (5946, 107444), (7928, 80583), (11892, 53722), (23784, 26861)]