638699896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{11087}}^1$

素因数の和:11491

約数の個数: 32

約数和(自身を含む): 1264032000

約数和(自身を除く): 625332104

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 379, 758, 1516, 3032, 7201, 11087, 14402, 22174, 28804, 44348, 57608, 88696, 210653, 421306, 842612, 1685224, 4201973, 8403946, 16807892, 33615784, 79837487, 159674974, 319349948, 638699896]

約数ペア:

[(1, 638699896), (2, 319349948), (4, 159674974), (8, 79837487), (19, 33615784), (38, 16807892), (76, 8403946), (152, 4201973), (379, 1685224), (758, 842612), (1516, 421306), (3032, 210653), (7201, 88696), (11087, 57608), (14402, 44348), (22174, 28804)]