308998216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{2039}}^1$

素因数の和:3061

約数の個数: 32

約数和(自身を含む): 610776000

約数和(自身を除く): 301777784

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 997, 1994, 2039, 3988, 4078, 7976, 8156, 16312, 18943, 37886, 38741, 75772, 77482, 151544, 154964, 309928, 2032883, 4065766, 8131532, 16263064, 38624777, 77249554, 154499108, 308998216]

約数ペア:

[(1, 308998216), (2, 154499108), (4, 77249554), (8, 38624777), (19, 16263064), (38, 8131532), (76, 4065766), (152, 2032883), (997, 309928), (1994, 154964), (2039, 151544), (3988, 77482), (4078, 75772), (7976, 38741), (8156, 37886), (16312, 18943)]