8121438

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 12199842

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 503, 598, 621, 702, 897, 1006, 1242, 1509, 1794, 2691, 3018, 4527, 5382, 6539, 8073, 9054, 11569, 13078, 13581, 16146, 19617, 23138, 27162, 34707, 39234, 58851, 69414, 104121, 117702, 150397, 176553, 208242, 300794, 312363, 353106, 451191, 624726, 902382, 1353573, 2707146, 4060719, 8121438]

約数ペア:

[(1, 8121438), (2, 4060719), (3, 2707146), (6, 1353573), (9, 902382), (13, 624726), (18, 451191), (23, 353106), (26, 312363), (27, 300794), (39, 208242), (46, 176553), (54, 150397), (69, 117702), (78, 104121), (117, 69414), (138, 58851), (207, 39234), (234, 34707), (299, 27162), (351, 23138), (414, 19617), (503, 16146), (598, 13581), (621, 13078), (702, 11569), (897, 9054), (1006, 8073), (1242, 6539), (1509, 5382), (1794, 4527), (2691, 3018)]