217392

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{647}}^1$

素因数の和:665

約数の個数: 40

約数和(自身を含む): 642816

約数和(自身を除く): 425424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 647, 1294, 1941, 2588, 3882, 4529, 5176, 7764, 9058, 10352, 13587, 15528, 18116, 27174, 31056, 36232, 54348, 72464, 108696, 217392]

約数ペア:

[(1, 217392), (2, 108696), (3, 72464), (4, 54348), (6, 36232), (7, 31056), (8, 27174), (12, 18116), (14, 15528), (16, 13587), (21, 10352), (24, 9058), (28, 7764), (42, 5176), (48, 4529), (56, 3882), (84, 2588), (112, 1941), (168, 1294), (336, 647)]