407007088

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{156061}}^1$

素因数の和:156232

約数の個数: 20

約数和(自身を含む): 793419208

約数和(自身を除く): 386412120

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 156061, 312122, 624244, 1248488, 2496976, 25437943, 50875886, 101751772, 203503544, 407007088]

約数ペア:

[(1, 407007088), (2, 203503544), (4, 101751772), (8, 50875886), (16, 25437943), (163, 2496976), (326, 1248488), (652, 624244), (1304, 312122), (2608, 156061)]