257220093608

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{406993819}}^1$

素因数の和:406993904

約数の個数: 16

約数和(自身を含む): 488392584000

約数和(自身を除く): 231172490392

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 406993819, 813987638, 1627975276, 3255950552, 32152511701, 64305023402, 128610046804, 257220093608]

約数ペア:

[(1, 257220093608), (2, 128610046804), (4, 64305023402), (8, 32152511701), (79, 3255950552), (158, 1627975276), (316, 813987638), (632, 406993819)]