211616

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:416

約数の個数: 24

約数和(自身を含む): 442260

約数和(自身を除く): 230644

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 389, 544, 778, 1556, 3112, 6224, 6613, 12448, 13226, 26452, 52904, 105808, 211616]

約数ペア:

[(1, 211616), (2, 105808), (4, 52904), (8, 26452), (16, 13226), (17, 12448), (32, 6613), (34, 6224), (68, 3112), (136, 1556), (272, 778), (389, 544)]