647391402

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{119489}}^1$

素因数の和:119547

約数の個数: 48

約数和(自身を含む): 1640358720

約数和(自身を除く): 992967318

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 5418, 119489, 238978, 358467, 716934, 836423, 1075401, 1672846, 2150802, 2509269, 5018538, 5138027, 7527807, 10276054, 15055614, 15414081, 30828162, 35966189, 46242243, 71932378, 92484486, 107898567, 215797134, 323695701, 647391402]

約数ペア:

[(1, 647391402), (2, 323695701), (3, 215797134), (6, 107898567), (7, 92484486), (9, 71932378), (14, 46242243), (18, 35966189), (21, 30828162), (42, 15414081), (43, 15055614), (63, 10276054), (86, 7527807), (126, 5138027), (129, 5018538), (258, 2509269), (301, 2150802), (387, 1672846), (602, 1075401), (774, 836423), (903, 716934), (1806, 358467), (2709, 238978), (5418, 119489)]