199890704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1523}}^1$

素因数の和:2175

約数の個数: 40

約数和(自身を含む): 418014912

約数和(自身を除く): 218124208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631, 1262, 1523, 2524, 3046, 5048, 6092, 8203, 10096, 12184, 16406, 19799, 24368, 32812, 39598, 65624, 79196, 131248, 158392, 316784, 961013, 1922026, 3844052, 7688104, 12493169, 15376208, 24986338, 49972676, 99945352, 199890704]

約数ペア:

[(1, 199890704), (2, 99945352), (4, 49972676), (8, 24986338), (13, 15376208), (16, 12493169), (26, 7688104), (52, 3844052), (104, 1922026), (208, 961013), (631, 316784), (1262, 158392), (1523, 131248), (2524, 79196), (3046, 65624), (5048, 39598), (6092, 32812), (8203, 24368), (10096, 19799), (12184, 16406)]