866831105

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 1300561920

約数和(自身を除く): 433730815

約数列:

[1, 5, 7, 17, 35, 47, 85, 119, 139, 223, 235, 329, 595, 695, 799, 973, 1115, 1561, 1645, 2363, 3791, 3995, 4865, 5593, 6533, 7805, 10481, 11815, 16541, 18955, 26537, 27965, 30997, 32665, 45731, 52405, 73367, 82705, 111061, 132685, 154985, 178177, 216979, 228655, 366835, 526949, 555305, 777427, 890885, 1084895, 1247239, 1456859, 2634745, 3688643, 3887135, 6236195, 7284295, 10198013, 18443215, 24766603, 50990065, 123833015, 173366221, 866831105]

約数ペア:

[(1, 866831105), (5, 173366221), (7, 123833015), (17, 50990065), (35, 24766603), (47, 18443215), (85, 10198013), (119, 7284295), (139, 6236195), (223, 3887135), (235, 3688643), (329, 2634745), (595, 1456859), (695, 1247239), (799, 1084895), (973, 890885), (1115, 777427), (1561, 555305), (1645, 526949), (2363, 366835), (3791, 228655), (3995, 216979), (4865, 178177), (5593, 154985), (6533, 132685), (7805, 111061), (10481, 82705), (11815, 73367), (16541, 52405), (18955, 45731), (26537, 32665), (27965, 30997)]