207399664

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{619}}^1$

素因数の和:1157

約数の個数: 40

約数和(自身を含む): 412691840

約数和(自身を除く): 205292176

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 487, 619, 688, 974, 1238, 1948, 2476, 3896, 4952, 7792, 9904, 20941, 26617, 41882, 53234, 83764, 106468, 167528, 212936, 301453, 335056, 425872, 602906, 1205812, 2411624, 4823248, 12962479, 25924958, 51849916, 103699832, 207399664]

約数ペア:

[(1, 207399664), (2, 103699832), (4, 51849916), (8, 25924958), (16, 12962479), (43, 4823248), (86, 2411624), (172, 1205812), (344, 602906), (487, 425872), (619, 335056), (688, 301453), (974, 212936), (1238, 167528), (1948, 106468), (2476, 83764), (3896, 53234), (4952, 41882), (7792, 26617), (9904, 20941)]