331946368

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{199487}}^1$

素因数の和:199514

約数の個数: 32

約数和(自身を含む): 712172160

約数和(自身を除く): 380225792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 199487, 398974, 797948, 1595896, 2593331, 3191792, 5186662, 6383584, 10373324, 12767168, 20746648, 25534336, 41493296, 82986592, 165973184, 331946368]

約数ペア:

[(1, 331946368), (2, 165973184), (4, 82986592), (8, 41493296), (13, 25534336), (16, 20746648), (26, 12767168), (32, 10373324), (52, 6383584), (64, 5186662), (104, 3191792), (128, 2593331), (208, 1595896), (416, 797948), (832, 398974), (1664, 199487)]