217984

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 471240

約数和(自身を除く): 253256

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 131, 208, 262, 416, 524, 832, 1048, 1664, 1703, 2096, 3406, 4192, 6812, 8384, 13624, 16768, 27248, 54496, 108992, 217984]

約数ペア:

[(1, 217984), (2, 108992), (4, 54496), (8, 27248), (13, 16768), (16, 13624), (26, 8384), (32, 6812), (52, 4192), (64, 3406), (104, 2096), (128, 1703), (131, 1664), (208, 1048), (262, 832), (416, 524)]