219895408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{808439}}^1$

素因数の和:808464

約数の個数: 20

約数和(自身を含む): 451109520

約数和(自身を除く): 231214112

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 808439, 1616878, 3233756, 6467512, 12935024, 13743463, 27486926, 54973852, 109947704, 219895408]

約数ペア:

[(1, 219895408), (2, 109947704), (4, 54973852), (8, 27486926), (16, 13743463), (17, 12935024), (34, 6467512), (68, 3233756), (136, 1616878), (272, 808439)]