128580248

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{3923}}^1$

素因数の和:4187

約数の個数: 32

約数和(自身を含む): 256394160

約数和(自身を除く): 127813912

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 241, 482, 964, 1928, 3923, 4097, 7846, 8194, 15692, 16388, 31384, 32776, 66691, 133382, 266764, 533528, 945443, 1890886, 3781772, 7563544, 16072531, 32145062, 64290124, 128580248]

約数ペア:

[(1, 128580248), (2, 64290124), (4, 32145062), (8, 16072531), (17, 7563544), (34, 3781772), (68, 1890886), (136, 945443), (241, 533528), (482, 266764), (964, 133382), (1928, 66691), (3923, 32776), (4097, 31384), (7846, 16388), (8194, 15692)]