129178568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{907}}^1\times {\mathrm{937}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 255511200

約数和(自身を除く): 126332632

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 907, 937, 1814, 1874, 3628, 3748, 7256, 7496, 17233, 17803, 34466, 35606, 68932, 71212, 137864, 142424, 849859, 1699718, 3399436, 6798872, 16147321, 32294642, 64589284, 129178568]

約数ペア:

[(1, 129178568), (2, 64589284), (4, 32294642), (8, 16147321), (19, 6798872), (38, 3399436), (76, 1699718), (152, 849859), (907, 142424), (937, 137864), (1814, 71212), (1874, 68932), (3628, 35606), (3748, 34466), (7256, 17803), (7496, 17233)]