686558872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{20947}}^1$

素因数の和:21211

約数の個数: 32

約数和(自身を含む): 1368742320

約数和(自身を除く): 682183448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 241, 482, 964, 1928, 4097, 8194, 16388, 20947, 32776, 41894, 83788, 167576, 356099, 712198, 1424396, 2848792, 5048227, 10096454, 20192908, 40385816, 85819859, 171639718, 343279436, 686558872]

約数ペア:

[(1, 686558872), (2, 343279436), (4, 171639718), (8, 85819859), (17, 40385816), (34, 20192908), (68, 10096454), (136, 5048227), (241, 2848792), (482, 1424396), (964, 712198), (1928, 356099), (4097, 167576), (8194, 83788), (16388, 41894), (20947, 32776)]