251803136

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{37831}}^1$

素因数の和:37862

約数の個数: 40

約数和(自身を含む): 541829904

約数和(自身を除く): 290026768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 37831, 75662, 151324, 302648, 491803, 605296, 983606, 1210592, 1967212, 2421184, 3934424, 4842368, 7868848, 9684736, 15737696, 19369472, 31475392, 62950784, 125901568, 251803136]

約数ペア:

[(1, 251803136), (2, 125901568), (4, 62950784), (8, 31475392), (13, 19369472), (16, 15737696), (26, 9684736), (32, 7868848), (52, 4842368), (64, 3934424), (104, 2421184), (128, 1967212), (208, 1210592), (256, 983606), (416, 605296), (512, 491803), (832, 302648), (1664, 151324), (3328, 75662), (6656, 37831)]