649242008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{4111}}^1$

素因数の和:5175

約数の個数: 32

約数和(自身を含む): 1282944000

約数和(自身を除く): 633701992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1039, 2078, 4111, 4156, 8222, 8312, 16444, 19741, 32888, 39482, 78109, 78964, 156218, 157928, 312436, 624872, 4271329, 8542658, 17085316, 34170632, 81155251, 162310502, 324621004, 649242008]

約数ペア:

[(1, 649242008), (2, 324621004), (4, 162310502), (8, 81155251), (19, 34170632), (38, 17085316), (76, 8542658), (152, 4271329), (1039, 624872), (2078, 312436), (4111, 157928), (4156, 156218), (8222, 78964), (8312, 78109), (16444, 39482), (19741, 32888)]