638656

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:616

約数の個数: 28

約数和(自身を含む): 1344168

約数和(自身を除く): 705512

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 587, 1088, 1174, 2348, 4696, 9392, 9979, 18784, 19958, 37568, 39916, 79832, 159664, 319328, 638656]

約数ペア:

[(1, 638656), (2, 319328), (4, 159664), (8, 79832), (16, 39916), (17, 37568), (32, 19958), (34, 18784), (64, 9979), (68, 9392), (136, 4696), (272, 2348), (544, 1174), (587, 1088)]