209919616

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{19759}}^1$

素因数の和:19856

約数の個数: 32

約数和(自身を含む): 423259200

約数和(自身を除く): 213339584

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 2656, 5312, 10624, 19759, 39518, 79036, 158072, 316144, 632288, 1264576, 1639997, 2529152, 3279994, 6559988, 13119976, 26239952, 52479904, 104959808, 209919616]

約数ペア:

[(1, 209919616), (2, 104959808), (4, 52479904), (8, 26239952), (16, 13119976), (32, 6559988), (64, 3279994), (83, 2529152), (128, 1639997), (166, 1264576), (332, 632288), (664, 316144), (1328, 158072), (2656, 79036), (5312, 39518), (10624, 19759)]