211375818

素因数分解:

$2^1\times 3^4\times {\mathrm{257}}^1\times {\mathrm{5077}}^1$

素因数の和:5348

約数の個数: 40

約数和(自身を含む): 475575012

約数和(自身を除く): 264199194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 257, 514, 771, 1542, 2313, 4626, 5077, 6939, 10154, 13878, 15231, 20817, 30462, 41634, 45693, 91386, 137079, 274158, 411237, 822474, 1304789, 2609578, 3914367, 7828734, 11743101, 23486202, 35229303, 70458606, 105687909, 211375818]

約数ペア:

[(1, 211375818), (2, 105687909), (3, 70458606), (6, 35229303), (9, 23486202), (18, 11743101), (27, 7828734), (54, 3914367), (81, 2609578), (162, 1304789), (257, 822474), (514, 411237), (771, 274158), (1542, 137079), (2313, 91386), (4626, 45693), (5077, 41634), (6939, 30462), (10154, 20817), (13878, 15231)]