16980688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 35140608

約数和(自身を除く): 18159920

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 383, 652, 766, 1304, 1532, 2608, 2771, 3064, 5542, 6128, 6511, 11084, 13022, 22168, 26044, 44336, 52088, 62429, 104176, 124858, 249716, 499432, 998864, 1061293, 2122586, 4245172, 8490344, 16980688]

約数ペア:

[(1, 16980688), (2, 8490344), (4, 4245172), (8, 2122586), (16, 1061293), (17, 998864), (34, 499432), (68, 249716), (136, 124858), (163, 104176), (272, 62429), (326, 52088), (383, 44336), (652, 26044), (766, 22168), (1304, 13022), (1532, 11084), (2608, 6511), (2771, 6128), (3064, 5542)]